TPS65197 - 8 通道电平转换器，支持不同的电荷共享方法

TPS65197是TI德州仪器公司的一款电流感应放大器、I2C/PMBus监控器产品，TPS65197是8 通道电平转换器，支持不同的电荷共享方法，本站介绍了TPS65197的封装应用图解、特点和优点、功能等，并给出了与TPS65197相关的TI元器件型号供参考。

TPS65197 - 8 通道电平转换器，支持不同的电荷共享方法 - 电流感应放大器、I2C/PMBus监控器 - 保护、监控和热插拔 - 德州仪器

产品描述

The TPS65197/B is a 8-channel level-shifter with discharge function intended for use in LCD display applications such as Notebooks, Monitors and TVs.

The device converts the timing-controller (T-CON) logic-level signals to the high-level signals needed by the gate-in-panel (GIP) display.

The clock outputs, CLKOUTx, support normal level shifting operation and 2-channel or 3-channel charge-sharing, which can be used to improve picture quality and power consumption. At power down, all outputs follow their input signals as long as possible; when the discharge function is used, the outputs are pulled high (VGH).

The TPS65197 implements a logic reset to ignore wrong T-CON signals after the rising STV edge which forces all 6 output clocks to VGL1. The next CLKIN1 rising edge unlocks the logic and enables normal operation. The TPS65197B does not have the logic reset and follows always its input signals.

产品特性

8-Channel Level-Shifter (STV, RESET, 6 × CLK)
High Output-Voltage Level 16.5 V to 45 V (VGH)
Low Output-Voltage Level Down to –20 V (VGL)
Selectable Charge-Sharing
- No Charge-Sharing
- 2-Channel Charge-Sharing
- 3-Channel Charge-Sharing
2-Channel Panel Discharge
T-CON Failure Detection
- TPS65197: Logic Resets by STV Pulse
- TPS65197B: No Reset of the Logic
Latched Shut-Down Detection (Clocks to VGH)
Supports 100-kHz Clock Operating Frequency
28-Pin 4-mm × 4-mm QFN Package

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