component
BQ33100PWR
Public Made by Adomby adom
Texas Instruments Battery Management, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 1d ago |
| viewers | 1d ago |
| bq33100pwr-etched.glb | 1d ago |
| bq33100pwr-etched.step | 1d ago |
| bq33100pwr-hero.glb | 1d ago |
| bq33100pwr-hero.overlay.json | 1d ago |
| bq33100pwr.glb | 1d ago |
| bq33100pwr.kicad_mod | 1d ago |
| bq33100pwr.kicad_sym | 1d ago |
| bq33100pwr.lbr | 1d ago |
| bq33100pwr.step | 1d ago |
| package.json | 1d ago |
| page.json | 1d ago |
| README.md | 1d ago |
| verification.json | 1d ago |
BQ33100PWR
Texas Instruments · Battery Management · TSSOP-24
BQ33100PWR from Texas Instruments, in a TSSOP-24. 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 | VCCPACK | power_in | Power supply from the super capacitors; the top of the super capacitor stack must be connected to this pin. |
| 2 | NC | unconnected | Not used and must be connected to VCC. |
| 3 | VC1 | input | Sense voltage input terminal and external capacitor voltage balancing drive output for the 5th-series capacitor, and stack measurement input. |
| 4 | VC2 | input | Sense voltage input terminal and external capacitor voltage balancing drive output for the 4th-series capacitor. |
| 5 | VC3 | input | Sense voltage input terminal and external capacitor voltage balancing drive output for the 3rd-series capacitor. |
| 6 | VC4 | input | Sense voltage input terminal and external capacitor voltage balancing drive output for the 2nd-series capacitor. |
| 7 | SRP | input | Analog input for the internal ADC measuring the small voltage between SRP and SRN, where SRP is the top of the sense resistor. |
| 8 | SRN | input | Analog input for the internal ADC measuring the small voltage between SRP and SRN, where SRN is the bottom of the sense resistor. |
| 9 | TS | input | Thermistor input. |
| 10 | VC5 | input | Sense voltage input terminal and external capacitor voltage balancing drive output for the 1st capacitor. |
| 11 | CHGLVL0 | output | Charge control output 0. |
| 12 | CHGLVL1 | output | Charge control output 1. |
| 13 | VC5BAL | output | Cell balance control output for the least positive capacitor, used only in a 5-series capacitor configuration. |
| 14 | SDA | bidirectional | Serial data line that transmits and receives data (open-drain). |
| 15 | FAULT | output | Active high output to indicate fault condition. |
| 16 | SCL | bidirectional | Serial clock input that clocks data on SDA (open-drain). |
| 17 | LLEN | output | Learn Load Enable output. |
| 18 | RBI | power_in | RAM backup pin providing backup potential to the internal DATA RAM if power is momentarily lost, via a capacitor attached between RBI and GND. |
| 19 | GND | power_in | Ground. |
| 20 | REG27 | power_out | Internal power supply 2.7-V bias output, requiring an external 1 µF capacitor. |
| 21 | CHGOR | input | CHG override input; if not used, connect to VSS. |
| 22 | NC | unconnected | No connect; leave the NC pin floating. |
| 23 | CHG | output | P-channel FET drive for controlling charge. |
| 24 | VCC | power_in | Positive input from power supply. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-24 |
| Category | Power Management (PMIC) |
| Pins | 24 |
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 VCC w.r.t. GND | VMAX | -0.3 | 34 | V | 5 | ||
| Input voltage SDA, SCL | VIN | -0.3 | 6 | V | 5 | ||
| Input voltage RBI, REG27 | VIN | -0.3 | 2.75 | V | 5 | ||
| Maximum combined sink current for input pins | ISS | 50 | mA | 5 | |||
| Functional temperature | TFUNC | -40 | 110 | °C | 5 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 5 | ||
| Supply voltage VCC | VCC | 25 | V | 6 | |||
| Supply voltage VCC | VCC | 3.8 | V | 6 | |||
| Start up voltage at VCC | VSTARTUP | 5.2 | 5.5 | V | 6 | ||
| Shutdown voltage VCC or VCCPACK, whichever is higher | VSHUTDOWN | 3 | 3.2 | 3.3 | V | VCC or VCCPACK, whichever is higher | 6 |
| Cell voltage difference VCn, VC(n+1) | 0 | 5 | V | n=1, 2, 3, 4 | 6 | ||
| Input voltage VC5 | VC5 | 0 | 1 | V | 6 | ||
| Input voltage CHGOR | CHGOR | 0 | V | 6 | |||
| Input voltage SRP to SRN | -0.3 | 1 | V | 6 | |||
| Operating temperature | TOPR | -40 | 85 | °C | 6 | ||
| High-level input voltage SDA, SCL, TS, VC5 | VIH | 2 | V | 6 | |||
| Low-level input voltage SDA, SCL, TS, VC5 | VIL | 0.8 | V | 6 | |||
| Low-level output voltage SDA, SCL, VC5BAL, CHGLVL0, CHGLVL1, LLEN, FAULT | VOL | 0.4 | V | IL = 7 mA | 6 | ||
| CHG override active high | VCHGOR | 0.8 | 2 | 3.2 | V | 6 | |
| SDA and SCL pulldown | RPD(SMBx) | 600 | 950 | 1300 | kΩ | TA = -40°C to 100°C | 6 |
| Pad resistance TS | RPAD | 87 | 110 | Ω | 6 | ||
| NORMAL mode supply current ICC | ICC | 660 | µA | Firmware running, no flash writes | 7 | ||
| SHUTDOWN mode supply current | ISHUTDOWN | 0.5 | 1 | µA | TA = -40°C to 110°C | 7 | |
| Regulator output voltage | VREG | 2.5 | 2.7 | 2.75 | V | IREG27 = 10 mA TA = -40°C to 85°C | 7 |
| Negative-going POR voltage | VREG27IT- | 2.22 | 2.35 | 2.34 | V | At REG27 | 7 |
| Positive-going POR voltage | VREG27IT+ | 2.25 | 2.5 | 2.6 | V | At REG27 | 7 |
| Regulator output change with temperature | ΔV(REGTEMP) | -0.5 | 0.5 | % | IREG = 10 mA TA = -40°C to 85°C | 7 | |
| Line regulation | ΔV(REGLINE) | -4 | 4 | mV | IREG = 10 mA | 7 | |
| Load regulation | ΔV(REGLOAD) | -40 | 40 | mV | IREG = 0.2 to 10 mA | 7 | |
| Current limit | I(REGMAX) | 25 | 50 | mA | 7 | ||
| Coulomb counter input voltage range | -0.2 | 0.25 | V | 7 | |||
| Coulomb counter integral nonlinearity | -0.034 | 0.034 | % FSR | TA = -25°C to 85°C | 7 | ||
| Coulomb counter offset error drift | 0.3 | 0.5 | µV/°C | 7 | |||
| Coulomb counter full-scale error | -0.8 | 0.2 | 0.8 | % | 7 | ||
| ADC input voltage range TS, VC5 | -0.2 | V | 7 | ||||
| ADC effective resolution | 14 | 15 | Bits | 7 | |||
| ADC integral nonlinearity | -0.02 | 0.02 | % FSR | 7 | |||
| ADC offset error | 70 | 160 | µV | 7 | |||
| ADC full-scale error | -0.8 | 0.2 | 0.4 | % | VIN = 1 V | 7 | |
| SMBus operating frequency | fSMB | 10 | 100 | kHz | Slave mode, SCL 50% duty cycle | 11 | |
| Bus free time between start and stop | tBUF | 4.7 | µs | 11 | |||
| Hold time after (repeated) start | tHD:STA | 4 | µs | 11 | |||
| Repeated start setup time | tSU:STA | 4.7 | µs | 11 | |||
| Stop setup time | tSU:STO | 4 | µs | 11 | |||
| Data hold time | tHD:DAT | 0 | ns | Receive mode | 11 | ||
| Data hold time | tHD:DAT | 300 | ns | Transmit mode | 11 | ||
| Data setup time | tSU:DAT | 250 | ns | 11 | |||
| Error signal and detect timeout | tTIMEOUT | 25 | 35 | ms | Error signal and detect | 11 | |
| Clock low period | tLOW | 4.7 | µs | 11 | |||
| Clock high period | tHIGH | 4 | 50 | µs | 11 | ||
| Cumulative clock low slave extend time | tLOW:SEXT | 25 | ms | 11 | |||
| Cumulative clock low master extend time | tLOW:MEXT | 10 | ms | 11 | |||
| Clock and data fall time | tF | 300 | ns | 11 | |||
| Clock and data rise time | tR | 1000 | ns | 11 | |||
| Junction-to-ambient thermal resistance | RθJA | 83.6 | °C/W | 6 | |||
| Junction-to-case (top) thermal resistance | RθJC(top) | 16.5 | °C/W | 6 | |||
| Junction-to-board thermal resistance | RθJB | 39.4 | °C/W | 6 | |||
| Junction-to-top characterization parameter | ψJT | 0.4 | °C/W | 6 | |||
| Junction-to-board characterization parameter | ψJB | 38.8 | °C/W | 6 |
CAD (KiCad official)
- Symbol:
BQ33100PWR - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
bq33100pwr-etched.step/bq33100pwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bq33100pwr.step/bq33100pwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (67 pp, sha256
00490ad38b152ebb, retrieved 2026-11-05, 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).