BQ27421-G1 vs BQ27421YZFR-G1A 对比
详细并排对比 BQ27421-G1 出自 Texas Instruments 和 BQ27421YZFR-G1A 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
BQ27421YZFR-G1A - System-Side Fuel Gauge w/ Integrated Sense Resistor | Texas Instruments
BQ27421YZFR-G1A ✓ 量产中规格对比
| 参数 | BQ27421-G1 | BQ27421YZFR-G1A |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Battery Management | Battery Management |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.98 | $1.82 |
| 功能 | System-side fuel gauge with integrated sense resistor | — |
| Battery Type | Single-cell Li-Ion / Li-Polymer | Lithium-Ion / Lithium-Polymer |
| Battery Chemistry Supported | Li-Ion (pre-programmed profiles: 4.2 V / 4.3 V / 4.35 V max charge) | — |
| Maximum Charge Voltage (suffix A) | 4.2 V | — |
| Integrated Sense Resistor | 7 mΩ (typical, between BAT and SRX) | Yes |
| Communication Interface | I2C (up to 400 kHz, default address 0x55) | — |
| Supply Voltage (VBAT) | 2.7 V to 4.5 V | — |
| 工作温度 | -40C to +85C | — |
| 封装 | 9-ball DSBGA (YZF), 1.6 mm x 1.6 mm | DSBGA-9 (YZF) |
| Sense Resistor Type | Internal integrated (no external shunt required) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Gauge Algorithm | Impedance Track (TI proprietary) | — |
| Reported Parameters | Voltage, current, temperature, SOC (%), remaining capacity (mAh), runtime (min) | SOC (%), Voltage (mV), Current (mA), Temperature (C), Remaining Capacity (mAh) |
| Configuration Method | Pre-programmed chemistry profiles (no in-system firmware required) | — |
| RoHS 状态 | Compliant | Compliant |
| Number of Cells Supported | — | 1 (Single-Cell) |
| Supply Voltage Range | — | 2.45 V to 4.5 V |
| 工作温度范围 | — | -40 C to +85 C |
| Supply Current (Typical) | — | 93 uA |
| 接口 | — | I2C (SMBus-compatible) |
| Fuel Gauge Algorithm | — | Impedance Track |
| I2C Address (Default) | — | 0x55 |
| MSL Rating | — | MSL1 (per JLCPCB) |
| Battery Monitor IC Function | — | Fuel Gauge / Battery Monitor |