# BQ24075 Reference Design ## Description This project is a reference design based on the BQ24075RGTT, a single cell Li-Ion battery charger. It manages the power between an external power source (VIN), a Li-Ion battery (BAT), and a system power rail (SYS). Key features include power-path management, battery thermistor monitoring, and charge status indication. #project #BQ24075 #ReferenceDesign #charger #BatteryManagement #referenceDesign #bms #texas-instruments #template #reference-design ## Project Details - **Owner:** sudhir31 - **Created:** 9/11/2025 - **Last Updated:** 9/11/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### + BAT - — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Part Type: Connector - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Manufacturer Name: JST Sales America - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### + SYS - — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Manufacturer Name: JST Sales America - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### + VIN - — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf - Manufacturer Name: JST Sales America - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Part Type: Connector **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### IC1 — [BQ24075RGTT](https://www.flux.ai/vasyl/bq24075rgtt~let.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fbq24075 - Manufacturer Name: Texas Instruments - Manufacturer Part Number: BQ24075RGTT - Part Type: Integrated Circuit **Pins:** - ~CE [pin 4] - ~CHG [pin 9] - ~PGOOD [pin 7] - BAT [pin 3] - BAT [pin 2] - EN1 [pin 6] - EN2 [pin 5] - ILIM [pin 12] - IN [pin 13] - ISET [pin 16] - OUT [pin 10] - OUT [pin 11] - SYSOFF [pin 15] - TMR [pin 14] - TS [pin 1] - VSS [pin 8] - VSS [pin 17] ### LED1 — [LED-0402-Template](https://www.flux.ai/vasy_skral/led-0402-template~zvz.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED-0402-Template](https://www.flux.ai/vasy_skral/led-0402-template~zvz.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sudhir31/bq24075-reference-design~dw](https://www.flux.ai/sudhir31/bq24075-reference-design~dw).* --- *Generated from [https://www.flux.ai/sudhir31/bq24075-reference-design~dw](https://www.flux.ai/sudhir31/bq24075-reference-design~dw)*