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BQ4050RSMR Datasheet(PDF) 3 Page - Texas Instruments |
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BQ4050RSMR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 53 page  Thermal Pad 1 PBI 24 PTCEN 2 VC4 23 PTC 3 VC3 22 LEDCNTLC 4 VC2 21 LEDCNTLB 5 VC1 20 LEDCNTLA 6 SRN 19 SMBC 7 NC 18 SMBD 8 SRP 17 DISP 3 bq4050 www.ti.com SLUSC67A – MARCH 2016 – REVISED MARCH 2016 Product Folder Links: bq4050 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) P = Power Connection, O = Digital Output, AI = Analog Input, I = Digital Input, I/OD = Digital Input/Output 5 Pin Configuration and Functions RSM Package 32-Pin VQFN with Exposed Thermal Pad Top View Pin Functions PIN TYPE DESCRIPTION NAME NUMBER PBI 1 P(1) Power supply backup input pin VC4 2 IA Sense voltage input pin for the most positive cell, and balance current input for the most positive cell VC3 3 IA Sense voltage input pin for the second most positive cell, balance current input for the second most positive cell, and return balance current for the most positive cell VC2 4 IA Sense voltage input pin for the third most positive cell, balance current input for the third most positive cell, and return balance current for the second most positive cell VC1 5 IA Sense voltage input pin for the least positive cell, balance current input for the least positive cell, and return balance current for the third most positive cell SRN 6 I Analog input pin connected to the internal coulomb counter peripheral for integrating a small voltage between SRP and SRN where SRP is the top of the sense resistor. NC 7 — Not internally connected. Connect to VSS. SRP 8 I Analog input pin connected to the internal coulomb counter peripheral for integrating a small voltage between SRP and SRN where SRP is the top of the sense resistor. VSS 9 P Device ground TS1 10 IA Temperature sensor 1 thermistor input pin TS2 11 IA Temperature sensor 2 thermistor input pin TS3 12 IA Temperature sensor 3 thermistor input pin TS4 13 IA Temperature sensor 4 thermistor input pin NC 14 — Not internally connected. Connect to VSS. BTP_INT 15 O Battery Trip Point (BTP) interrupt output PRES or SHUTDN 16 I Host system present input for removable battery pack or emergency system shutdown input for embedded packs |
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