component
BQ26500PWR
Public Made by Adomby adom
Texas Instruments Battery Management ICs, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BQ26500PWR
Texas Instruments · Battery Management ICs · TSSOP-8
BQ26500PWR from Texas Instruments, in a TSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | RBI | input | Register back-up input; the datasheet states no voltage or current limits for this pin in the text provided. |
| 2 | VCC | power_in | VCC supply input; the electrical characteristics are specified for 2.6 V ≤ VCC ≤ 4.5 V. |
| 3 | VSS | power_in | Ground input for the device. |
| 4 | HDQ | bidirectional | Single-wire HDQ serial interface; VOL max 0.4 V at IOL = 2 mA, with an internal pull-down current of 3 µA. |
| 5 | BAT | input | Battery voltage sense input; the datasheet states no voltage limits for this pin in the text provided. |
| 6 | SRN | input | Current sense input (negative); the voltage-to-frequency input (VSRP − VSRN) is specified from −100 mV to 100 mV. |
| 7 | SRP | input | Current sense input (positive); the voltage-to-frequency input (VSRP − VSRN) is specified from −100 mV to 100 mV. |
| 8 | GPIO | bidirectional | General-purpose input/output port; VIH min 1.9 V, VIL max 0.7 V, VOL max 0.4 V at IOL = 0.3 mA, and it receives the 20-22 V EEPROM programming voltage during programming. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Power Supply Chip |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage range, VCC (all with respect to VSS) | VCC | -0.3 | 7 | V | all with respect to VSS | 2 | |
| Input voltage range at SRP, SRN, RBI, and BAT (all with respect to VSS) | -0.3 | V | all with respect to VSS; maximum printed as VCC + 0.3 V | 2 | |||
| Input voltage HDQ, GPIO (with respect to VSS) | -0.3 | 7 | V | with respect to VSS | 2 | ||
| Input voltage GPIO (with respect to VSS) during EEPROM programming only | -0.3 | 22 | V | during EEPROM programming only | 2 | ||
| Output sink current at GPIO, HDQ | 5 | mA | 2 | ||||
| Operating free-air temperature range, TA | TA | -20 | 70 | °C | 2 | ||
| Storage temperature range, Tstg | Tstg | -65 | 150 | °C | 2 | ||
| Junction temperature range, TJ | TJ | -40 | 125 | °C | 2 | ||
| Lead temperature | 300 | °C | 1.6 mm (1/16 inch) from case for 10 seconds | 2 | |||
| Supply voltage, VCC | VCC | 2.6 | 4.5 | V | 2 | ||
| Operating free-air temperature, TJ | TJ | -20 | 70 | °C | 2 | ||
| Input voltage range at SRP and SRN, (with respect to VSS) | -100 | 100 | mV | with respect to VSS | 2 | ||
| Active current | ICC(ACT) | 60 | 100 | µA | VCC > VCC(min) | 2 | |
| Sleep current | ICC(SLP) | 1.2 | 2.5 | µA | 2 | ||
| Ship current | ICC(SHP) | 0.9 | 1.7 | µA | 2 | ||
| Hibernate current | ICC(POR) | 0.6 | 1.5 | µA | 0 V < VCC < V(POR) | 2 | |
| RBI current | 20 | nA | RBI pin only, VCC < V(POR) | 2 | |||
| POR threshold | V(POR) | 2.05 | 2.55 | V | 2 | ||
| Measurement range | VI(BAT) | 2.6 | 4.5 | V | VCC = VI(BAT) | 2 | |
| Reported accuracy | -20 | 20 | mV | 2 | |||
| Reported temperature accuracy | -3 | 3 | °K | 2 | |||
| Internal oscillator frequency | fOSC | -3.5 | 1 | 2.5 | % | 3 | |
| Internal oscillator frequency | fOSC | -2.5 | 1 | 2.5 | % | TA = 0°C to 50°C | 3 |
| Voltage-to-frequency converter offset | 15 | µV | 3 | ||||
| Voltage-to-frequency input | VSRP − VSRN | -100 | 100 | mV | 3 | ||
| Programming voltage high time | tPROG | 20 | 100 | ms | VPROG = 21 V | 3 | |
| Programming voltage | VPROG | 20 | 22 | V | Applied to GPIO pin | 3 | |
| EEPROM programming current | IPROG | 3 | mA | Current into GPIO pin | 3 | ||
| High-level input voltage | VIH | 1.9 | V | 3 | |||
| Low-level input voltage | VIL | 0.7 | V | 3 | |||
| GPIO low-level output voltage | VOL | 0.4 | V | IOL = 0.3 mA | 3 | ||
| HDQ low-level output voltage | VOL | 0.4 | V | IOL = 2 mA | 3 | ||
| HDQ internal pull-down current | IHDQPD | 3 | µA | 3 | |||
| Break timing | t(B) | 190 | µs | 3 | |||
| Break recovery time | t(BR) | 40 | µs | 3 | |||
| Host bit window timing | t(CYCH) | 190 | µs | 3 | |||
| Host sends 1 time | t(HW1) | 17 | 50 | µs | 3 | ||
| Host sends 0 time | t(HW0) | 100 | 145 | µs | 3 | ||
| bq26500 to host response time | t(RSPS) | 190 | 320 | µs | 3 | ||
| bq26500 bit window timing | t(CYCD) | 190 | 260 | µs | 3 | ||
| bq26500 sends 1 time | t(DW1) | 32 | 50 | µs | 3 | ||
| bq26500 sends 0 time | t(DW0) | 80 | 145 | µs | 3 | ||
| Maximum number of EEPROM programming cycles | 10 | cycles | 3 | ||||
| EEPROM data retention time | 10 | years | TA = 85°C | 3 | |||
| POR threshold hysteresis | 100 | mV | 2 | ||||
| Input impedance on BAT pin | 10 | MΩ | 2 | ||||
| Input impedance on SRP, SRN pins | 10 | MΩ | 2 | ||||
| Reported voltage resolution | 1 | mV | 2 | ||||
| Voltage update time | 2 | s | 2 | ||||
| Reported temperature resolution | 0.25 | °K | 2 | ||||
| Temperature update time | 2 | s | 2 | ||||
| Voltage-to-frequency converter gain variability | 1 | % | Footnote (3): not a production tested parameter | 3 | |||
| EEPROM programming voltage rise time | tRISE | 1 | ms | 3 | |||
| EEPROM programming voltage fall time | tFALL | 1 | ms | 3 |
CAD (KiCad official)
- Symbol:
BQ26500PWR - Footprint:
Package_SO:TSSOP-8_4.4x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
bq26500pwr-etched.step/bq26500pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bq26500pwr.step/bq26500pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (33 pp, sha256
08b475b082295a94, retrieved 2026-11-06, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).
# BQ26500PWR
**Texas Instruments** · Battery Management ICs · TSSOP-8
BQ26500PWR from Texas Instruments, in a TSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | RBI | input | Register back-up input; the datasheet states no voltage or current limits for this pin in the text provided. |
| 2 | VCC | power_in | VCC supply input; the electrical characteristics are specified for 2.6 V ≤ VCC ≤ 4.5 V. |
| 3 | VSS | power_in | Ground input for the device. |
| 4 | HDQ | bidirectional | Single-wire HDQ serial interface; VOL max 0.4 V at IOL = 2 mA, with an internal pull-down current of 3 µA. |
| 5 | BAT | input | Battery voltage sense input; the datasheet states no voltage limits for this pin in the text provided. |
| 6 | SRN | input | Current sense input (negative); the voltage-to-frequency input (VSRP − VSRN) is specified from −100 mV to 100 mV. |
| 7 | SRP | input | Current sense input (positive); the voltage-to-frequency input (VSRP − VSRN) is specified from −100 mV to 100 mV. |
| 8 | GPIO | bidirectional | General-purpose input/output port; VIH min 1.9 V, VIL max 0.7 V, VOL max 0.4 V at IOL = 0.3 mA, and it receives the 20-22 V EEPROM programming voltage during programming. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Power Supply Chip |
| Pins | 8 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage range, VCC (all with respect to VSS) | VCC | -0.3 | | 7 | V | all with respect to VSS | 2 |
| Input voltage range at SRP, SRN, RBI, and BAT (all with respect to VSS) | | -0.3 | | | V | all with respect to VSS; maximum printed as VCC + 0.3 V | 2 |
| Input voltage HDQ, GPIO (with respect to VSS) | | -0.3 | | 7 | V | with respect to VSS | 2 |
| Input voltage GPIO (with respect to VSS) during EEPROM programming only | | -0.3 | | 22 | V | during EEPROM programming only | 2 |
| Output sink current at GPIO, HDQ | | | | 5 | mA | | 2 |
| Operating free-air temperature range, TA | TA | -20 | | 70 | °C | | 2 |
| Storage temperature range, Tstg | Tstg | -65 | | 150 | °C | | 2 |
| Junction temperature range, TJ | TJ | -40 | | 125 | °C | | 2 |
| Lead temperature | | | | 300 | °C | 1.6 mm (1/16 inch) from case for 10 seconds | 2 |
| Supply voltage, VCC | VCC | 2.6 | | 4.5 | V | | 2 |
| Operating free-air temperature, TJ | TJ | -20 | | 70 | °C | | 2 |
| Input voltage range at SRP and SRN, (with respect to VSS) | | -100 | | 100 | mV | with respect to VSS | 2 |
| Active current | ICC(ACT) | | 60 | 100 | µA | VCC > VCC(min) | 2 |
| Sleep current | ICC(SLP) | | 1.2 | 2.5 | µA | | 2 |
| Ship current | ICC(SHP) | | 0.9 | 1.7 | µA | | 2 |
| Hibernate current | ICC(POR) | | 0.6 | 1.5 | µA | 0 V < VCC < V(POR) | 2 |
| RBI current | | | | 20 | nA | RBI pin only, VCC < V(POR) | 2 |
| POR threshold | V(POR) | 2.05 | | 2.55 | V | | 2 |
| Measurement range | VI(BAT) | 2.6 | | 4.5 | V | VCC = VI(BAT) | 2 |
| Reported accuracy | | -20 | | 20 | mV | | 2 |
| Reported temperature accuracy | | -3 | | 3 | °K | | 2 |
| Internal oscillator frequency | fOSC | -3.5 | 1 | 2.5 | % | | 3 |
| Internal oscillator frequency | fOSC | -2.5 | 1 | 2.5 | % | TA = 0°C to 50°C | 3 |
| Voltage-to-frequency converter offset | | | | 15 | µV | | 3 |
| Voltage-to-frequency input | VSRP − VSRN | -100 | | 100 | mV | | 3 |
| Programming voltage high time | tPROG | 20 | | 100 | ms | VPROG = 21 V | 3 |
| Programming voltage | VPROG | 20 | | 22 | V | Applied to GPIO pin | 3 |
| EEPROM programming current | IPROG | | | 3 | mA | Current into GPIO pin | 3 |
| High-level input voltage | VIH | 1.9 | | | V | | 3 |
| Low-level input voltage | VIL | | | 0.7 | V | | 3 |
| GPIO low-level output voltage | VOL | | | 0.4 | V | IOL = 0.3 mA | 3 |
| HDQ low-level output voltage | VOL | | | 0.4 | V | IOL = 2 mA | 3 |
| HDQ internal pull-down current | IHDQPD | | | 3 | µA | | 3 |
| Break timing | t(B) | 190 | | | µs | | 3 |
| Break recovery time | t(BR) | 40 | | | µs | | 3 |
| Host bit window timing | t(CYCH) | 190 | | | µs | | 3 |
| Host sends 1 time | t(HW1) | 17 | | 50 | µs | | 3 |
| Host sends 0 time | t(HW0) | 100 | | 145 | µs | | 3 |
| bq26500 to host response time | t(RSPS) | 190 | | 320 | µs | | 3 |
| bq26500 bit window timing | t(CYCD) | 190 | | 260 | µs | | 3 |
| bq26500 sends 1 time | t(DW1) | 32 | | 50 | µs | | 3 |
| bq26500 sends 0 time | t(DW0) | 80 | | 145 | µs | | 3 |
| Maximum number of EEPROM programming cycles | | | | 10 | cycles | | 3 |
| EEPROM data retention time | | 10 | | | years | TA = 85°C | 3 |
| POR threshold hysteresis | | | 100 | | mV | | 2 |
| Input impedance on BAT pin | | | 10 | | MΩ | | 2 |
| Input impedance on SRP, SRN pins | | | 10 | | MΩ | | 2 |
| Reported voltage resolution | | | 1 | | mV | | 2 |
| Voltage update time | | | 2 | | s | | 2 |
| Reported temperature resolution | | | 0.25 | | °K | | 2 |
| Temperature update time | | | 2 | | s | | 2 |
| Voltage-to-frequency converter gain variability | | | 1 | | % | Footnote (3): not a production tested parameter | 3 |
| EEPROM programming voltage rise time | tRISE | | 1 | | ms | | 3 |
| EEPROM programming voltage fall time | tFALL | | 1 | | ms | | 3 |
## CAD (KiCad official)
- Symbol: `BQ26500PWR`
- Footprint: `Package_SO:TSSOP-8_4.4x3mm_P0.65mm`
- 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `bq26500pwr-etched.step` / `bq26500pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bq26500pwr.step` / `bq26500pwr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/bq26500.pdf) (33 pp, sha256 `08b475b082295a94`, retrieved 2026-11-06, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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).
[Datasheet PDF](docs/bq26500pwr-datasheet.pdf)