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TEA1530T/AT/AP
GreenChip II SMPS control IC
Rev. 01 -- 30 June 2008 Product data sheet
1. General description
The GreenChip II is the second generation of green Switched Mode Power Supply (SMPS) controller ICs. Its high level of integration allows the design of a cost effective power supply with a very low number of external components. The TEA1530(A) (TEA1530T, TEA1530AT and TEA1530AP) can be used in fixed frequency converter designs for low voltage, high current applications. At low power (standby) levels, the system operates in cycle skipping mode which minimizes the switching losses during standby. The proprietary high voltage BCD800 process makes direct start-up possible from the rectified universal mains voltage in an effective and green way. A second low voltage BICMOS IC is used for accurate, high speed protection functions and control. The TEA1530(A) enables highly efficient and reliable supplies to be designed easily.
2. Features
2.1 Distinctive features
I Universal mains supply operation, 70 VAC to 276 VAC. I High level of integration, resulting in a very low external component count. I Fixed frequency operation.
2.2 Green features
I Cycle skipping mode at very low loads; input power < 300 mW at no-load operation for a typical adapter application. I On-chip start-up current source.
2.3 Protection features
I I I I I I I Safe restart mode for system fault conditions. Undervoltage protection (foldback during overload). IC OverTemperature Protection (OTP) (latched). Low and adjustable OverCurrent Protection (OCP) trip level. Soft (re)start. Mains voltage-dependent operation-enabling level. TEA1530AT and TEA1530AP: General purpose input for latched or safe restart protection and timing, e.g. to be used for OverVoltage Protection (OVP), output short circuit protection or system OTP.
NXP Semiconductors
TEA1530T/AT/AP
GreenChip II SMPS control IC
I TEA1530T: General purpose input for latched protection and timing, e.g. to be used for OVP, output short circuit protection or system OTP.
3. Applications
I Printer & LCD adapters / chargers / supplies. The device can, however, also be used in all applications that demand an efficient and cost-effective solution up to 65 W.
4. Ordering information
Table 1: Ordering information Package Name TEA1530T TEA1530AT TEA1530AP SO8 SO8 DIP8 Description plastic small outline package; 8 leads; body width 3.9 mm plastic small outline package; 8 leads; body width 3.9 mm plastic dual in-line package; 8 leads (300 mil) Version SOT96-1 SOT96-1 SOT97-1 Type number
TEA1530T_AT_AP_1
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Product data sheet
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TEA1530T/AT/AP
GreenChip II SMPS control IC
5. Block diagram
VCC
1
SUPPLY MANAGEMENT internal UVLO start supply
S1
START-UP CURRENT SOURCE
8
GND
Vm Osc_Rdy Duty_Max
GND
2 OSCILLATOR
LOGIC 7
DRIVER
HVS DRIVER
LOGIC
Istartup(soft) LEB
6
SLOPE COMPENSATION
Isc/t
blank
soft start S2
0.5 V
CTRL
4 -1
5.6 V
5
SENSE
POWER-ON RESET UVLO
S R
Q Q
control detect
TEA1530(A)
0.63 V S3 Ich 2.5 V
PROTECT
3 300
Idch
S
5.6 V 3V
Q Q
protect detect
OVERTEMPERATURE PROTECTION
VCC < 4.5 V
R
014aaa164
(1) Switch S3 is not controlled in TEA1530T, it is fixed as drawn.
Fig 1.
Block diagram
TEA1530T_AT_AP_1
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TEA1530T/AT/AP
GreenChip II SMPS control IC
6. Pinning information
6.1 Pinning
VCC GND PROTECT CTRL
1 2
8 7
DRAIN HVS DRIVER SENSE
TEA1530AT
3 4
001aad470
6 5
Fig 2.
Pin configuration: TEA1530T, TEA1530AT (SOT96-1), TEA1530AP (SOT97-1)
6.2 Pin description
Table 2: Symbol VCC GND PROTECT CTRL SENSE DRIVER HVS DRAIN Pin description Pin 1 2 3 4 5 6 7 8 Description supply voltage ground protection and timing input control input programmable current sense input MOSFET gate driver output High voltage spacer High voltage rectified mains input for start-up current
7. Functional description
The TEA1530(A) is the controller of a compact flyback converter, with the IC situated at the primary side. An auxiliary winding of the transformer powers the IC after start-up; see Figure 3.
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TEA1530T/AT/AP
GreenChip II SMPS control IC
VI
CVIN
1
CVCC
8 7
2
TEA1530(A)
3 4 6 5
014aaa167
Fig 3.
Typical configuration
The TEA1530(A) can operate in multi modes; see Figure 4.
f (kHz) 65
cycle skip
fixed frequency
P (W)
014aaa166
Fig 4.
Cycle skip and FF-CCM operation
Because of the fixed frequency mode, the internal oscillator determines the start of the next converter stroke. A cycle skipping mode is activated at very low power (standby) levels.
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TEA1530T/AT/AP
GreenChip II SMPS control IC
7.1 Start-up, mains enabling operation level and undervoltage lockout
Refer to Figure 8 and Figure 9. Initially, the IC is self supplying from the rectified mains voltage via pin DRAIN. The supply capacitor CVCC (at pin 1) is charged by the internal start-up current source to a level of about 4 V or higher, depending on the drain voltage. Once the drain voltage exceeds the Vmains(oper)(en) (mains-dependent operation-enabling level), the start-up current source will continue charging capacitor CVCC (switch S1 will be opened), see Figure 1. The IC activates the power converter as soon as the voltage on pin VCC passes the Vstartup level. At this moment the IC supply from the high voltage pin is stopped (green function). The IC supply is taken over by the auxiliary winding of the flyback converter. The moment the voltage on pin VCC drops below Vth(UVLO) (undervoltage lockout), the IC stops switching and performs a safe restart from the rectified mains voltage. In the safe restart mode the driver output is disabled and the voltage on pin VCC is recharged via the pin DRAIN.
7.2 Supply management
All (internal) reference voltages are derived from a temperature compensated, on-chip band gap circuit.
7.3 Current control mode
Current control mode is used for its good line regulation behavior. The primary current is sensed across an external resistor and compared with the internal control voltage. The driver output is latched in the logic, preventing multiple switch-on. The internal control voltage is inversely proportional to the voltage on the external pin CTRL with an offset of 1.5 V. This means that a voltage range from 1 V to approximately 1.5 V on pin CTRL will result in a pin SENSE voltage range from 0.52 V to 25 mV (a high external control voltage results in a low duty cycle).
Vsense(max) (V)
coa016
0.52 V cycle skip active
25 mV 1V (typ) 1.5 V (typ) VCTRL (V)
Fig 5.
The Vsense(max) voltage as a function of VCTRL
7.4 Oscillator
The fixed frequency of the oscillator is set by an internal current source and capacitor.
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TEA1530T/AT/AP
GreenChip II SMPS control IC
7.5 Cycle skipping
At very low power levels, a cycle skipping mode activates. An internal control voltage (Vsense(max)) lower than 25 mV will inhibit switch-on of the external power MOSFET until this voltage increases to a higher value; see Figure 5.
7.6 Continuous Conduction Mode (CCM)
The IC operates in Fixed Frequency Continuous Conduction Mode (FF CCM). Pin DRAIN should be connected to the high voltage rectified mains VI; see Figure 8.
7.7 OverCurrent Protection (OCP)
The primary peak current in the transformer is measured accurately cycle-by-cycle using the external sense resistor Rsense. The OCP circuit limits the voltage on pin SENSE to an internal level equal to 1.5 V - VCTRL (see also Section 7.3). The OCP detection is suppressed during the leading edge blanking period, tleb to prevent false triggering caused by the switch-on spikes.
7.8 Control pin protection
If pin CTRL becomes open-circuit or is disconnected, a fault condition is assumed and the converter will stop switching immediately. Operation recommences when the fault condition is removed.
7.9 Adjustable slope compensation
A slope compensation function has been added at pin CTRL; see Figure 6. The slope compensation function prevents subharmonic oscillation in CCM at duty cycles over 50 %. The CTRL voltage is modulated by sourcing a (non-constant) current out of pin CTRL and by adding externally a series resistor Rslopecomp. This increases the CTRL voltage proportionally with the on-time, which therefore limits the OCP level. A longer on-time results in a higher CTRL voltage, this increase in CTRL voltage will decrease the on-time. Slope compensation can be adjusted by changing the value of Rslopecomp. Slope compensation prevents modulation of the on-time (duty cycle) while operating in FF CCM. A possible drawback of subharmonic oscillation can be output voltage ripple.
TEA1530T_AT_AP_1
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Product data sheet
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TEA1530T/AT/AP
GreenChip II SMPS control IC
Isc/t
Rslopecomp
CTRL 4
-1
5.6 V RCTRL
control detect
0.63 V
014aaa255
Fig 6. Slope compensation
7.10 Minimum and maximum on-time
The minimum on-time of the SMPS is determined by the LEB time (typically 400 ns). The IC limits the maximum on-time by limiting the driver duty cycle to 70 %. So the maximum on-time is correlated to the oscillator time which results in an accurate limit of the minimum input voltage of the flyback converter.
7.11 PROTECT and timing input
The PROTECT input (pin 3) is a multipurpose, high-impedance input, which can be used to switch off the IC and create a relatively long timing function. As soon as the voltage on this pin rises above 2.5 V, switching stops immediately. For the timing function, a current of typically 50 A flows out of pin PROTECT and charges an external capacitor until the activation level of 2.5 V is reached. This current source is only activated when the converter is not in regulation, which is detected by the voltage on pin CTRL (VCTRL < 0.63 V). A (small) discharge current is also implemented to ensure that the capacitor is not charged, for example, by spikes. An internal MOSFET switch is added to discharge the external capacitor and ensures a defined start situation. For the TEA1530AP and TEA1530AT the voltage on pin CTRL determines whether the IC enters latched protection mode or safe restart protection mode:
* When the voltage on pin CTRL is below 0.63 V, the IC is assumed to be out of
regulation (e.g. the control loop is open). In this case activating pin PROTECT (VPROTECT > 2.5 V) will cause the converter to stop switching. Once VCC drops below Vth(UVLO), capacitor CVCC will be recharged and the supply will restart. This cycle will be repeated until the fault condition is removed (safe restart mode).
* When the voltage on pin CTRL is above 0.63 V, the output is assumed to be in
regulation. In this case activating pin PROTECT (VPROTECT > 2.5 V), by external means, will activate the latch protection of the IC. The voltage on pin VCC will cycle between Vstartup and Vth(UVLO), but the IC will not start switching again until the latch
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TEA1530T/AT/AP
GreenChip II SMPS control IC
protection is reset. The latch is reset as soon as VCC drops below 4.5 V (typical value) (this only occurs when the mains has been disconnected). The internal overtemperature protection will also trigger this latch; see also Figure 1. For the TEA1530T the IC always enters the latched mode protection independent of the voltage on pin CTRL. A voltage higher than 3 V on pin PROTECT will always latch the IC. This is independent of the state of the IC.
7.12 OverTemperature Protection (OTP)
The IC provides accurate OTP. The IC stops switching when the junction temperature exceeds the thermal shutdown temperature. When VCC drops to Vth(UVLO), capacitor CVCC is recharged to the Vstartup level, however, switching will not restart. Subsequently, VCC will drop again to Vth(UVLO). Operation only recommences when VCC drops below a level of about 4.5 V, typically when the mains voltage is disconnected for a short period.
7.13 Soft start-up (pin SENSE)
To prevent transformer rattle at start-up or during hiccup, the transformer peak current is slowly increased by the soft start function. This can be achieved by inserting a resistor and a capacitor between pin SENSE (pin 5) and sense resistor Rsense. An internal current source charges the capacitor to VSENSE = Istartup(soft) x Rss (about 0.5 V maximum). The start level and the time constant of the increasing primary current level can be adjusted externally by changing the values of Rss and Css. V sense ( max ) - ( I startup(soft) x R ss ) I DM = -------------------------------------------------------------------------------R sense = R ss x C ss The charging current Istartup(soft) will flow as long as the voltage on pin SENSE is below approximately 0.5 V. If the voltage on pin SENSE exceeds 0.5 V, the soft start current source will start limiting current Istartup(soft). At Vstartup, the Istartup(soft) current source is completely switched off, see Figure 7. Since the soft start current Istartup(soft) is supplied from pin DRAIN, the Rss value will not affect VCC current during start-up.
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TEA1530T/AT/AP
GreenChip II SMPS control IC
Istartup(soft)
0.5 V
start-up
6 SENSE
Rss
Vocp
Css
Rsense
014aaa254
Fig 7.
Soft start-up
7.14 Driver
The driver circuit to the gate of the power MOSFET has a current sourcing capability of typically 150 mA and a current sink capability of typically, 500 mA at VCC = 9.5 V. At VCC = 15 V, the current sourcing capability is typically 250 mA and the current sink capability typically 0.7 A. This permits fast turning on and off of the power MOSFET for efficient operation. A low driver source current has been chosen to limit the V/t at switch-on. This reduces ElectroMagnetic Interference (EMI) and also limits the current spikes across Rsense.
8. Limiting values
Table 3: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground (pin 2); positive currents flow into the chip; pin VCC may not be current driven. The voltage ratings are valid provided other ratings are not violated; current ratings are valid provided the maximum power rating is not violated. Symbol Voltages VCC VPROTECT VCTRL VSENSE VDRAIN Currents ICTRL ISENSE IDRIVER IDRAIN current on pin CTRL current on pin SENSE current on pin DRIVER current on pin DRAIN d < 10 % d < 10 % -1 -0.8 50 +10 +2 5 mA mA A mA supply voltage voltage on pin PROTECT voltage on pin CTRL voltage on pin SENSE voltage on pin DRAIN current limited continuous continuous -0.4 -0.4 -0.4 -0.4 -0.4 +20 +5 +5 +650 V V V V V Parameter Conditions Min Max Unit
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GreenChip II SMPS control IC
Table 3: Limiting values ...continued In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground (pin 2); positive currents flow into the chip; pin VCC may not be current driven. The voltage ratings are valid provided other ratings are not violated; current ratings are valid provided the maximum power rating is not violated. Symbol General Ptot total power dissipation Tamb < 70 C SO8 package DIP8 package Tstg Tj ESD VESD electrostatic discharge voltage class 1 human body model pins 1 to 6 pin 8 (DRAIN) machine model
[1] [2]
[1] [1] [2]
Parameter
Conditions
Min
Max
Unit
-55 -20
0.5 0.75 +150 +145
W W C C
storage temperature junction temperature
-
2000 1500 200
V V V
Equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor. Equivalent to discharging a 200 pF capacitor through a 0.75 H coil and a 10 resistor.
9. Thermal characteristics
Table 4. Symbol Rth(j-a) Thermal characteristics Parameter Conditions in free air, DIP8 package Typ 150 95 Unit K/W K/W thermal resistance from junction to ambient. in free air, SO8 package.
10. Characteristics
Table 5: Characteristics Tamb = 25 C; VCC = 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. Symbol IDRAIN Parameter current on pin DRAIN Conditions VDRAIN > 100 V VCC = 0 V with auxiliary supply VBR Vmains(oper)(en) breakdown voltage mains-dependent operation-enabling voltage start-up voltage undervoltage lockout threshold voltage 1.0 650 60 1.2 100 1.4 300 100 mA A V V Min Typ Max Unit Start-up current source (pin DRAIN)
Supply voltage management (pin VCC) Vstartup Vth(UVLO) 10.3 8.1 11 8.7 11.7 9.3 V V
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GreenChip II SMPS control IC
Table 5: Characteristics ...continued Tamb = 25 C; VCC = 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. Symbol Vhys Ich(high) Ich(low) Irestart ICC(oper) ton(min) ton(max) max Oscillator fosc Vmin(max) Vmax(min) Isc/t VCTRL(detect) Vtrip Vtrip(latch) VVCC(latch)(reset) Ich Idch Vsense(max) tPD tleb Istartup(soft) Isource Isink oscillator frequency minimum voltage (maximum duty cycle) maximum voltage (minimum duty cycle) slope compensation current detection voltage on pin CTRL trip voltage latch trip voltage latch reset voltage on pin VCC charge current discharge current maximum sense voltage propagation delay leading edge blanking time soft startup current source current sink current VI < 0.5 V VCC = 9.5 V; VDRIVER = 2 V VCC = 9.5 V VDRIVER = 2 V VDRIVER = 9.5 V Vo(max) maximum output voltage VCC > 12 V 300 250 500 11.5 12 mA mA V V/t = 0.1 V/s V/t = 0.5 V/s VCC(latch) < 2.3 V VCTRL < 0.63 V
[1]
Parameter hysteresis voltage high charging current low charging current restart current operating supply current minimum on-time maximum on-time maximum duty cycle
Conditions Vstartup - Vth(UVLO) VDRAIN > 100 V; VCC < 3 V VDRAIN > 100 V; 3 V < VCC < Vth(UVLO) VDRAIN > 100 V; Vth(UVLO) < VCC < Vstartup no load on pin DRIVER
Min 2.0 -1.2 -1.2 -650 1.1 20 67
Typ 2.3 -1 -0.75 -550 1.3 tleb 25 70 63 1.0 1.5 -1 0.63 2.5 3 4.5 -50 100 0.52 140 400 60 -150
Max 2.6 -0.8 -0.45 -450 1.5 30 73 75 -0.8 0.70 2.63 3.15 -43 0.56 185 470 75 -88
Unit V mA mA A mA ns s % kHz V V A/s V V V V A nA V ns ns A mA
Pulse width modulator
VCTRL < 1 V
50 -1.2 0.56 2.37 2.85 -57 0.48 330 45 -
Duty cycle control (pin CTRL)
Protection and timing input (pin PROTECT)
Overcurrent and winding short circuit protection (pin SENSE)
Driver (pin DRIVER)
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GreenChip II SMPS control IC
Table 5: Characteristics ...continued Tamb = 25 C; VCC = 15 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. Symbol Tpl(max) Tpl(hys) Parameter maximum protection level temperature protection level hysteresis temperature
[2]
Conditions
Min 130 -
Typ 140 8
Max 150 -
Unit C C
Temperature protection
[1] [2]
TEA1530AT and TEA1530AP: safe restart; TEA1530T: latch. Valid for VCC > 2 V.
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TEA1530T/AT/AP
GreenChip II SMPS control IC
11. Application information
A converter with the TEA1530(A) consists of an input filter, a transformer with a third winding (auxiliary), and an output stage with a feedback circuit. Capacitor CVCC buffers the IC supply voltage, which is powered via the internal current source, that is connected to the rectified mains, during start-up and via the auxiliary winding during operation. A sense resistor Rsense converts the primary current into a voltage at pin SENSE. The value of Rsense defines the maximum primary peak current. Figure 8 shows a typical CCM flyback configuration. Pin PROTECT is used in this example for external overtemperature protection and open loop or output short circuit protection.
Vmains
VI
VCC GND
1 2
8
DRAIN
U
7 HVS
PROTECT
CTRL
Rslopecomp RCTRL
TEA1530(A)
3 4 6 5
DRIVER
SENSE
Rss Css Rsense
014aaa165
(1) Pin PROTECT is used in this example for external OTP and open loop or output short circuit protection. Slope compensation is determined by the value of Rslopecomp.
Fig 8.
Flyback configuration using CCM
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GreenChip II SMPS control IC
VI
VI VDRAIN
VO
Vstartup VCC
Vth(UVLO)
VDRIVER
2.5 V VPROTECT
start-up sequence
normal operation
OVP TEA1530AT
normal operation
output short-circuit TEA1530AT
014aaa168
Fig 9.
Typical waveforms 1
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GreenChip II SMPS control IC
VI
VI VDRAIN
VO
Vstartup VCC Vth(UVLO)
VDRIVER
2.5 V VPROTECT(1)
start-up sequence
normal operation
protection active(2)
014aaa256
(1) When VPROTECT is forced above 3 V, the protection is always latched. So the IC is not started at Vstartup unless the VCC voltage drops below the VVCC(latch)(reset) level. This is the same action used for external OTP compensation described in Section 7.12. (2) External OTP for TEA1530(A); OVP and output short circuit for TEA1530T.
Fig 10. Typical waveforms 2
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GreenChip II SMPS control IC
12. Package outline
SO8: plastic small outline package; 8 leads; body width 3.9 mm SOT96-1
D
E
A X
c y HE vMA
Z 8 5
Q A2 A1 pin 1 index Lp 1 e bp 4 wM L detail X (A 3) A
0
2.5 scale
5 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 1.75 0.069 A1 0.25 0.10 A2 1.45 1.25 A3 0.25 0.01 bp 0.49 0.36 c 0.25 0.19 D (1) 5.0 4.8 0.20 0.19 E (2) 4.0 3.8 0.16 0.15 e 1.27 0.05 HE 6.2 5.8 L 1.05 Lp 1.0 0.4 Q 0.7 0.6 v 0.25 0.01 w 0.25 0.01 y 0.1 0.004 Z (1) 0.7 0.3 0.028 0.012
0.010 0.057 0.004 0.049
0.019 0.0100 0.014 0.0075
0.244 0.039 0.028 0.041 0.228 0.016 0.024
8o o 0
Notes 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. 2. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included. OUTLINE VERSION SOT96-1 REFERENCES IEC 076E03 JEDEC MS-012 JEITA EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-18
Fig 11. Package outline SOT96-1 (SO8)
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GreenChip II SMPS control IC
DIP8: plastic dual in-line package; 8 leads (300 mil)
SOT97-1
D seating plane
ME
A2
A
L
A1
c Z e b1 wM (e 1) b2 5 MH
b 8
pin 1 index E
1
4
0
5 scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 4.2 0.17 A1 min. 0.51 0.02 A2 max. 3.2 0.13 b 1.73 1.14 0.068 0.045 b1 0.53 0.38 0.021 0.015 b2 1.07 0.89 0.042 0.035 c 0.36 0.23 0.014 0.009 D (1) 9.8 9.2 0.39 0.36 E (1) 6.48 6.20 0.26 0.24 e 2.54 0.1 e1 7.62 0.3 L 3.60 3.05 0.14 0.12 ME 8.25 7.80 0.32 0.31 MH 10.0 8.3 0.39 0.33 w 0.254 0.01 Z (1) max. 1.15 0.045
Note 1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included. OUTLINE VERSION SOT97-1 REFERENCES IEC 050G01 JEDEC MO-001 JEITA SC-504-8 EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-13
Fig 12. Package outline SOT97-1 (DIP8)
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GreenChip II SMPS control IC
13. Revision history
Table 6. Revision history Release date 20080630 Data sheet status Product data sheet Change notice Supersedes Document ID TEA1530T_AT_AP_1
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GreenChip II SMPS control IC
14. Legal information
14.1 Data sheet status
Document status[1][2] Objective [short] data sheet Preliminary [short] data sheet Product [short] data sheet
[1] [2] [3]
Product status[3] Development Qualification Production
Definition This document contains data from the objective specification for product development. This document contains data from the preliminary specification. This document contains the product specification.
Please consult the most recently issued document before initiating or completing a design. The term `short data sheet' is explained in section "Definitions". The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com.
14.2 Definitions
Draft -- The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet -- A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local NXP Semiconductors sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail.
to result in personal injury, death or severe property or environmental damage. NXP Semiconductors accepts no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. Applications -- Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of sale -- NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. No offer to sell or license -- Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights.
14.3 Disclaimers
General -- Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Right to make changes -- NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use -- NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected
14.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. GreenChip -- is a trademark of NXP B.V.
15. Contact information
For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com
TEA1530T_AT_AP_1
(c) NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 -- 30 June 2008
20 of 21
NXP Semiconductors
TEA1530T/AT/AP
GreenChip II SMPS control IC
16. Contents
1 2 2.1 2.2 2.3 3 4 5 6 6.1 6.2 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 7.14 8 9 10 11 12 13 14 14.1 14.2 14.3 14.4 15 16 General description . . . . . . . . . . . . . . . . . . . . . . 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Distinctive features . . . . . . . . . . . . . . . . . . . . . . 1 Green features . . . . . . . . . . . . . . . . . . . . . . . . . 1 Protection features . . . . . . . . . . . . . . . . . . . . . . 1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional description . . . . . . . . . . . . . . . . . . . 4 Start-up, mains enabling operation level and undervoltage lockout. . . . . . . . . . . . . . . . . . . . . 6 Supply management. . . . . . . . . . . . . . . . . . . . . 6 Current control mode . . . . . . . . . . . . . . . . . . . . 6 Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Cycle skipping. . . . . . . . . . . . . . . . . . . . . . . . . . 7 Continuous Conduction Mode (CCM). . . . . . . . 7 OverCurrent Protection (OCP) . . . . . . . . . . . . . 7 Control pin protection . . . . . . . . . . . . . . . . . . . . 7 Adjustable slope compensation . . . . . . . . . . . . 7 Minimum and maximum on-time. . . . . . . . . . . . 8 PROTECT and timing input . . . . . . . . . . . . . . . 8 OverTemperature Protection (OTP) . . . . . . . . . 9 Soft start-up (pin SENSE). . . . . . . . . . . . . . . . . 9 Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 10 Thermal characteristics. . . . . . . . . . . . . . . . . . 11 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 11 Application information. . . . . . . . . . . . . . . . . . 14 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19 Legal information. . . . . . . . . . . . . . . . . . . . . . . 20 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 20 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Contact information. . . . . . . . . . . . . . . . . . . . . 20 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'.
(c) NXP B.V. 2008.
All rights reserved.
For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 30 June 2008 Document identifier: TEA1530T_AT_AP_1

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