Single-cell Li-ion fuel gauge with I²C
It reports state-of-charge and voltage data to the host, letting the system manage charge and discharge without a separate microcontroller ADC.
BQ27220YZFR Battery Monitor IC – Texas Instruments, I²C
MPNBQ27220YZFR
Active
Texas Instruments BQ27220YZFR, Battery Monitor IC, single-cell Li-ion, I²C interface, 9-bump DSBGA package, -40°C to 85°C operating range.
$2.4000Ref. price · indicative, final on quote
Packaging9-UFBGA, DSBGA
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Interface | I²C |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Battery Monitor |
| Case | 9-UFBGA, DSBGA |
| Number of cells | 1 |
| Battery chemistry | Lithium Ion |
Product details
Frequently asked questions
How can I order BQ27220YZFR or check stock?
Submit an RFQ with your target quantity; we source against the BOM line and confirm current pricing and lead time at quote. No firm stock or price is published here.
Does BQ27220YZFR support 2-cell batteries?
No — the BQ27220YZFR is specified for a single cell. For multi-cell monitoring, consider the BQ2084DBT-V143 which handles 2 to 4 cells via SMBus.