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TPS65180 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS65180 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 42 page TPS65180, TPS65181 SLVSA76D – MARCH 2010 – REVISED JULY 2010 www.ti.com TERMINAL I/O DESCRIPTION NAME NO. VCOM_PANEL 14 O Panel common-voltage output pin VCOM 15 O Filter pin for panel common-voltage driver VCOM_PWR 16 I Internal supply input pin to VCOM buffer. Connect to the output of DCDC2. SCL 17 I Serial interface (I2C) clock input SDA 18 I/O Serial interface (I2C) data input/output PWR3 19 I Enable pin for CP1 (VDDH) (active high) PWR2 20 I Enable pin for LDO1 (VPOS) (active high) PWR1 21 I Enable pin for CP2 (VEE) (active high) PWR0 22 I Enable pin for LDO2 (VNEG) and VCOM (active high) PWR_GOOD 24 O Open drain power good output pin (active low) VN_SW 25 O Inverting buck-boost converter switch out (DCDC2) N/C 26 Not connected VIN_P 27 I Input power supply to inverting buck-boost converter (DCDC2) VN 28 I Feedback pin for inverting buck-boost converter (DCDC2) VEE_IN 29 I Input supply pin for CP1 (VEE) VEE_DRV 30 O Driver output pin for negative charge pump (CP2) VEE_D 31 O Base voltage output pin for negative charge pump (CP2) VEE_FB 32 I Feedback pin for negative charge pump (CP2) PGND2 33 Power ground for CP1 (VDDH) and CP2 (VEE) charge pumps VDDH_FB 34 I Feedback pin for positive charge pump (CP1) VDDH_D 35 O Base voltage output pin for positive charge pump (CP1) VDDH_DRV 36 O Driver output pin for positive charge pump (CP1) VDDH_IN 37 I Input supply pin for positive charge pump (CP1) N/C 38 Not connected N/C 39 Not connected VB_SW 40 O Boost converter switch out (DCDC1) PGND3 41 Power ground for DCDC1 VB 42 I Feedback pin for boost converter (DCDC1) VPOS_IN 43 I Input pin for LDO1 (VPOS) VPOS 44 O Positive supply output pin for panel source drivers VIN3P3 45 I Input pin to 3.3-V power switch V3P3 46 O Output pin of 3.3-V power switch Thermistor input pin. Connect a 10k NTC thermistor and a 43k linearization resistor TS 47 I between this pin and AGND2. AGND2 48 Reference point to external thermistor and linearization resistor Die substrate/thermal pad. Connect to VN with short, wide trace. Wide copper trace will PowerPad (PBKG) 23 improve heat dissipation. PowerPad must not be connected to ground. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS65180 TPS65181 |
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