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TPS65217A Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65217A Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 86 page  TPS65217A, TPS65217B, TPS65217C, TPS65217D SLVSB64F – NOVEMBER 2011 – REVISED APRIL 2013 www.ti.com TERMINAL I/O DESCRIPTION NAME NO. L1 20 O Switch pin for DCDC1. Connect to inductor. VIN_DCDC1 21 I Input voltage for DCDC1. Must be connected to SYS pin. VIN_DCDC2 22 I Input voltage for DCDC2. Must be connected to SYS pin. L2 23 O Switch pin for DCDC2. Connect to inductor. VDCDC2 24 O DCDC2 output/feedback voltage sense input Push-button monitor input. Typically connected to a momentary switch to ground (active PB_IN 25 I low). Power-good output (push/pull output). Pulled low when any of the power rails are out of PGOOD 26 O regulation. Behavior is register programmable. SDA 27 I/O Data line for the I2C interface SCL 28 I Clock input for the I2C interface VDCDC3 29 O DCDC3 output/feedback voltage sense input PGND 30 Power ground. Connect to ground plane. L3 31 O Switch pin for DCDC3. Connect to Inductor. VIN_DCDC3 32 I Input voltage for DCDC3. Must be connected to SYS pin. Input to the WLED current SINK2. Connect to the cathode of the WLED string. Current ISINK2 33 I through SINK1 equals current through ISINK2. If only one WLED string is used, short ISINK1 and ISINK2 together. Input to the WLED current SINK1. Connect to the cathode of the WLED string. Current ISINK1 34 I through SINK1 equals current through ISINK2. If only one WLED string is used, short ISINK1 and ISINK2 together. Low-level WLED current set. Connect a resistor to ground to set the WLED low-current ISET1 35 I level. High-level WLED current set. Connect a resistor to ground to set the WLED high-current ISET2 36 I level. L4 37 O Switch Pin of the WLED boost converter. Connected to Inductor. Feedback pin for WLED boost converter. Also connected to the Anode of the WLED FB_WLED 38 I strings. LS1_IN 39 I Input voltage pin for load switch 1/LDO3 LS1_OUT 40 O Output voltage pin for load switch 1/LDO3 AGND 41 POWER Analog GND, connect to PGND (PowerPad) LS2_IN 42 I Input voltage pin for load switch 2/LDO4 LS2_OUT 43 O Output voltage pin for load switch 2/LDO4 Reset pin (active low). Pull this pin low and the PMIC will shut down, and after 1s power- nRESET 44 I up in its default state. Interrupt output (active low, open drain). Pin is pulled low if an interrupt bit is set. The output goes high after the bit causing the interrupt in register INT has been read. The nINT 45 O interrupt sources can be masked in register INT, so no interrupt is generated when the corresponding interrupt bit is set. LDO power good (LDO1 and LDO2 only, push/pull output). Pulled low when either LDO1 LDO_PGOOD 46 O or LDO2 is out of regulation. Internal bias voltage (2.25 V). It is not recommended to connect any external load to this BYPASS 47 O pin. Internal bias voltage (2.30 V). It is not recommended to connect any external load to this INT_LDO 48 O pin. POWERPAD POWER Power ground connection for the PMU. Connect to GND 6 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: TPS65217A TPS65217B TPS65217C TPS65217D |
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