TPS65177 Series
Fully I²C programmable 6-Ch LCD Bias IC for all size TVs including Gate Pulse Modulation
Manufacturer: Texas Instruments
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Key Features
• Enable / DisableTPS65177: VIpower cycleTPS65177A: VIpower cycle or EN-pin8.6-V to 14.7-V Input Voltage RangeNon-Synchronous Boost Converter (V(AVDD))Integrated Isolation Switch13.5-V to 19.8-V Output Voltage (I2C)15-V Default Output Voltage4.25-A Switch Current Limit (I2C)High Voltage Stress Mode (I2C)Synchronous Buck Converter (V(HAVDD))4.8-V to 11.1-V Output Voltage (I2C)7.5-V Default Output Voltage1.7-A Switch Current LimitHigh Voltage Stress Mode (I2C)Non-Synchronous Buck Converter (V(IO))2.2-V to 3.7-V Output Voltage (I2C)2.5-V Default Output Voltage3-A Switch Current LimitSynchronous Buck Converter (V(CORE))0.8-V to 3.3-V Output Voltage (I2C)1-V Default Output Voltage2.5-A Switch Current LimitPositive Charge-Pump Controller (V(GH))20-V to 40-V Output Voltage (I2C)28-V Default Output VoltageTemp. Compensation Offset 0-V to 15-V (I2C)4-V Default Offset (28 V to 32 V)Negative Charge-Pump Controller (V(GL))–14.5-V to –5.5-V Output Voltage (I2C)–7.9-V Default Output VoltageGate Pulse Modulation (GPM)Down to 0-V, 5-V, 10-V or 15-V (I2C)0-V Default Discharge VoltageTemperature Compensation for V(GH)Thermal ShutdownI2C Compatible InterfaceEEPROM Memory6-mm × 6-mm × 1-mm 40-Pin VQFN PackageEnable / DisableTPS65177: VIpower cycleTPS65177A: VIpower cycle or EN-pin8.6-V to 14.7-V Input Voltage RangeNon-Synchronous Boost Converter (V(AVDD))Integrated Isolation Switch13.5-V to 19.8-V Output Voltage (I2C)15-V Default Output Voltage4.25-A Switch Current Limit (I2C)High Voltage Stress Mode (I2C)Synchronous Buck Converter (V(HAVDD))4.8-V to 11.1-V Output Voltage (I2C)7.5-V Default Output Voltage1.7-A Switch Current LimitHigh Voltage Stress Mode (I2C)Non-Synchronous Buck Converter (V(IO))2.2-V to 3.7-V Output Voltage (I2C)2.5-V Default Output Voltage3-A Switch Current LimitSynchronous Buck Converter (V(CORE))0.8-V to 3.3-V Output Voltage (I2C)1-V Default Output Voltage2.5-A Switch Current LimitPositive Charge-Pump Controller (V(GH))20-V to 40-V Output Voltage (I2C)28-V Default Output VoltageTemp. Compensation Offset 0-V to 15-V (I2C)4-V Default Offset (28 V to 32 V)Negative Charge-Pump Controller (V(GL))–14.5-V to –5.5-V Output Voltage (I2C)–7.9-V Default Output VoltageGate Pulse Modulation (GPM)Down to 0-V, 5-V, 10-V or 15-V (I2C)0-V Default Discharge VoltageTemperature Compensation for V(GH)Thermal ShutdownI2C Compatible InterfaceEEPROM Memory6-mm × 6-mm × 1-mm 40-Pin VQFN Package
Description
AI
The TPS65177/A provides all supply rails needed by a GIP (Gate-in-Panel) or non-GIP TFT-LCD panel. All output voltages are I2C programmable.
V(IO)and V(CORE)for the T-CON, V(AVDD)and V(HAVDD)for the Source Driver and the Gamma Buffer, V(GH)and V(GL)for the Gate Driver or the Level Shifter. For use with non-GIP technology Gate Pulse Modulation (GPM) is implemented, for use with GIP technology the V(GH)rail can be temperature compensated. Furthermore a High Voltage Stress Mode (HVS) for V(AVDD)and V(HAVDD)and an integrated V(AVDD)Isolation Switch is implemented. V(CORE), V(HAVDD), V(GH), V(GL), GPM and the V(GH)temperature compensation can be enabled and disabled by I2C programming.
A single BOM (Bill of Materials) can cover several panel types and sizes whose desired output voltage levels can be programmed in production and stored in a non-volatile integrated memory.
The TPS65177/A provides all supply rails needed by a GIP (Gate-in-Panel) or non-GIP TFT-LCD panel. All output voltages are I2C programmable.
V(IO)and V(CORE)for the T-CON, V(AVDD)and V(HAVDD)for the Source Driver and the Gamma Buffer, V(GH)and V(GL)for the Gate Driver or the Level Shifter. For use with non-GIP technology Gate Pulse Modulation (GPM) is implemented, for use with GIP technology the V(GH)rail can be temperature compensated. Furthermore a High Voltage Stress Mode (HVS) for V(AVDD)and V(HAVDD)and an integrated V(AVDD)Isolation Switch is implemented. V(CORE), V(HAVDD), V(GH), V(GL), GPM and the V(GH)temperature compensation can be enabled and disabled by I2C programming.
A single BOM (Bill of Materials) can cover several panel types and sizes whose desired output voltage levels can be programmed in production and stored in a non-volatile integrated memory.