component
BQ7721606PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBQ7721606PWR
Texas Instruments · Battery Management · TSSOP-24
BQ7721606PWR from Texas Instruments, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | No electrical connection; can be left floating. |
| 2 | VDD | power_in | Power supply input; operating range 5V to 75V. |
| 3 | V16 | input | Cell 16 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 4 | V15 | input | Cell 15 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 5 | V14 | input | Cell 14 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 6 | V13 | input | Cell 13 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 7 | V12 | input | Cell 12 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 8 | V11 | input | Cell 11 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 9 | V10 | input | Cell 10 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 10 | V9 | input | Cell 9 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 11 | V8 | input | Cell 8 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 12 | V7 | input | Cell 7 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 13 | V6 | input | Cell 6 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 14 | V5 | input | Cell 5 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 15 | NC | unconnected | No electrical connection; can be left floating. |
| 16 | NC | unconnected | No electrical connection; can be left floating. |
| 17 | V4 | input | Cell 4 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 18 | V3 | input | Cell 3 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 19 | V2 | input | Cell 2 positive voltage detection input from battery pack bottom (0V to 5V per cell). |
| 20 | V1 | input | Cell 1 positive voltage detection input from battery pack bottom (0V to 5V relative to VSS). |
| 21 | VSS | power_in | Ground connection to IC and battery pack lowest cell negative terminal. |
| 22 | COUT | output | Output drive for overvoltage, open circuit, undertemperature and overtemperature faults with high-level active 6V drive capability. |
| 23 | DOUT | output | Output drive for undervoltage, open circuit, undertemperature and overtemperature faults with high-level active 6V drive capability. |
| 24 | TS | input | Temperature sensor input (0V to 1.5V range); connect via 10kΩ resistor to VSS when unused. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Power Management (PMIC) |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
BQ7721606PWR - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
bq7721606pwr-etched.step/bq7721606pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bq7721606pwr.step/bq7721606pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (29 pp, sha256
090af0809348e250, retrieved 2026-09-23, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).