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TPS65150QPWPRQ1 +BOM

Automotive, compact LCD bias Power Supply with integrated VCOM Buffer

Manufacturer:

TI
Mfr.Part #:

TPS65150QPWPRQ1
Datasheet:

TPS65150QPWPRQ1 Datasheet (PDF)
Display type:

Automotive, LCD unipolar
IC integration:

LCD bias, VCOM
Vin (min) (V):

1.8
Vin (max) (V):

6
EDA/CAD Models:

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TPS65150QPWPRQ1 General Description

The TPS65150-Q1 is an integrated power-supply for automotive LCD applications. The device integrates a boost converter for the source voltage and two regulated adjustable charge pump drivers for the gate voltages. For reduced external cost, improved picture quality and reduced image sticking, the device includes a VCOM buffer and a gate-voltage shaping function.

The device is designed to operate from a supply voltage of 1.8 V to 6 V making it ideal for automotive LCD applications using a fixed 3.3 V or 5 V input-voltage rail.

Adjustable power-on sequencing for VGL and VGH allow the device to be optimized for a variety of displays.

For protection from system malfunction, the TPS65150-Q1 integrates an adjustable shutdown latch feature. The device monitors the outputs (V_(VS), V_(VGL), V_(VGH)); and, as soon as one of the outputs falls below its power-good threshold for longer than the adjustable fault delay time, the device enters shutdown.

Key Features

AEC-Q100 Qualified:
- Device Temperature Grade 1: –40°C to 125°C Junction Temperature
- Device HBM ESD Classification According to AEC - Q100-002
- Device CDM ESD Classification According to AEC - Q100-011
Input Voltage Range: 1.8 V to 6 V
V_(VS) Boost Converter
- Up to 15 V Output Voltage
- < 1% Output Voltage Accuracy
- 2-A Switch Current Limit
V_(VGH) Positive Regulated Charge Pump Driver
- Up to 30 V Output Voltage
- Gate Voltage Shaping
V_(VGL) Negative Regulated Charge Pump Driver
- Down to –15 V Output Voltage
Integrated VCOM Buffer
Adjustable Power On Sequencing
- Gate Drive Signal for External Isolation MOSFET for V_(VS)
Protection Features
- Out-of-Regulation Protection
- Over-voltage Protection
- Adjustable Fault Detection Timing
- Thermal Shutdown
24-Pin TSSOP Package with Exposed Thermal Pad

Specifications

Display type	Automotive, LCD unipolar	IC integration	LCD bias, VCOM
Vin (min) (V)	1.8	Vin (max) (V)	6
Applications	7 inches or less, 7 to 13 inches	Source driver voltage (min) (V)	5
Source driver voltage (max) (V)	15	Level shifter/scan driver (Ch)	0
V_POS (max) (V)	30	V_NEG (max) (V)	-2
Features	Adjustable sequencing, GPM or GVS, VCOM or op amp	Topology	Boost
Rating	Automotive	Operating temperature range (°C)	-40 to 125