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TPS65055RSMT Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65055RSMT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 39 page DEVICE INFORMATION PIN ASSIGNMENT (TOP VIEW) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 EN_DCDC1 EN_DCDC2 EN_LDO1 EN_LDO2 VINLDO1 VLDO1 SDAT SCLK EN_LDO4 EN_LDO3 discharge DPD VLDO4 VINLDO3/4 VLDO3 DEFLDO1 25 26 27 28 29 30 31 32 TPS65055 TPS65055 SLVS844 – SEPTEMBER 2008.......................................................................................................................................................................................... www.ti.com TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. Vcc 3 I Power supply for digital and analog circuitry of DCDC1, DCDC2 and LDOs. This pin must be connected to the same voltage supply as VINDCDC1/2. VDCDC1 24 I Feedback voltage sense input, connect directly to Vout1 VINDCDC1/2 21 Input voltage for VDCDC1 and VDCDC2 step-down converter. This must be connected to the same voltage supply as VCC. VDCDC2 18 I Feedback voltage sense input, connect directly to Vout2 DEF_DCDC2 17 I Select pin of converter 2 output voltage. High = 1.0 V, low = 1.2 V L1 22 O Switch pin of converter1. Connected to inductor PGND1 23 I GND for converter 1 PGND2 19 I GND for converter 2 AGND 2 I Analog GND, connect to PGND and PowerPAD L2 20 O Switch pin of converter 2. Connected to inductor. EN_DCDC1 25 I Enable input for converter1, active high EN_DCDC2 26 I Enable input for converter2, active high VINLDO1 29 I Input voltage for LDO1 VINLDO2 4 I Input voltage for LDO2 VINLDO3/4 11 I Input voltage for LDO3 and LDO4 VLDO1 30 O Output voltage of LDO1 VLDO2 5 O Output voltage of LDO2 VLDO3 10 O Output voltage of LDO3 VLDO4 12 O Output voltage of LDO4 DEFLDO1 9 I Digital input, used to set the default output voltage of LDO1 to LDO4; LSB DEFLDO2 6 I Digital input, used to set the default output voltage of LDO1 to LDO4; MSB SDAT 31 I/O Data line for the I2C compatible interface. SCLK 32 I Clock input for the I2C compatible interface. 6 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TPS65055 |
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