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See Technical Specifications

TPS65160PWPR

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 20V, 2A Min. Buck Ilim)

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPS65160PWPR
Datasheet:

TPS65160PWPR Datasheet (PDF)
Applications:

Converter, TFT LCD
Voltage - Input:

8V ~ 14V
Number of Outputs:

4
Voltage - Output:

Up to 20V
EDA/CAD Models:

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TPS65160PWPR General Description

The TPS65160 offers a compact power supply solution to provide all four voltages required by thin-film transistor (TFT) LCD panel. With its high current capabilities, the device is ideal for large screen monitor panels and LCD TV applications.

The device can be powered directly from a 12-V input voltage generating the bias voltages VGH and VGL, as well as the source voltage V_S and logic voltage for the LCD panels. The device consists of a boost converter to provide the source voltage V_S and a step-down converter to provide the logic voltage for the system. A positive and a negative charge-pump driver provide adjustable regulated output voltages VGL and VGH to bias the TFT. Both boost and step-down converters, as well as the charge-pump driver, operate with a fixed switching frequency of 500 kHz or 750 kHz, selectable by the FREQ pin. The TPS65160 includes adjustable power-on sequencing. The device includes safety features like overvoltage protection of the boost converter and short-circuit protection of the buck converter, as well as thermal shutdown. Additionally, the device incorporates a gate drive signal to control an isolation MOSFET switch in series with V_S or VGH. See the application circuits at the end of this data sheet.

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Key Features

8-V to 14-V Input Voltage Range
V_S Output Voltage Range up to 20 V
1% Accurate Boost Converter With 2.8-A Switch Current
1.5% accurate 1.8-A Step-Down Converter
500-kHz/750-kHz Fixed Switching Frequency
Negative Charge Pump Driver for VGL
Positive Charge Pump Driver for VGH
Adjustable Sequencing for VGL, VGH
Gate Drive Signal to Drive External MOSFET
Internal and Adjustable Soft Start
Short-Circuit Protection
23-V (TPS65160) Overvoltage Protection
19.5-V (TPS65160A) Overvoltage Protection
Thermal Shutdown
Available in HTSSOP-28 Package

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Special Purpose Regulators	Series	-
Applications	Converter, TFT LCD	Voltage - Input	8V ~ 14V
Number of Outputs	4	Voltage - Output	Up to 20V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	TPS65160	Product Category	Power Management Specialized - PMIC
Type	LCD, TFT	Mounting Style	SMD/SMT
Output Current	1.8 A	Input Voltage Range	8 V to 14 V
Output Voltage Range	- 2 V to 20 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Development Kit	TPS65160EVM-194
Input Voltage, Max	14 V	Input Voltage, Min	8 V
Maximum Output Voltage	20 V	Moisture Sensitive	Yes
Operating Supply Voltage	8 V to 14 V	Product Type	Power Management Specialized - PMIC
Factory Pack Quantity	2000	Subcategory	PMIC - Power Management ICs
Unit Weight	0.004180 oz