ZHCSRG2G May 2001 – December 2022 BQ2057C
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| I(VCC) | VCC Current | VCC > VCC(min), Excluding external loads | 2 | 4 | mA | |
| I(VCCS) | VCC Sleep current | For BQ2057 and BQ2957C, V(BAT) ≥ V(min), V(BAT) – VCC ≥ 0.8 V | 3 | 6 | µA | |
| For BQ2057T and BQ2957W, V(BAT) ≥ V(min), V(BAT) – VCC ≥ 0.8 V | 10 | |||||
| IIB(BAT) | Input bias current on BAT pin | V(BAT) = V(REG) | 1 | µA | ||
| IIB(SNS) | Input bias current on SNS pin | V(SNS) = 5 V | 5 | µA | ||
| IIB(TS) | Input bias current on TS pin | V(TS) = 5 V | 5 | µA | ||
| IIB(COMP) | Input bias current on COMP pin | V(COMP) = 5 V | 5 | µA | ||
| BATTERY VOLTAGE REGULATION | ||||||
| VO(REG) | Output voltage | BQ2057, See (1)(2)(3) | 4.059 | 4.10 | 4.141 | V |
| BQ2057C, See (1)(2)(3) | 4.158 | 4.20 | 4.242 | |||
| BQ2057T, See (1)(2)(3) | 8.119 | 8.20 | 8.282 | |||
| BQ2057W, See (1)(2)(3) | 8.317 | 8.40 | 8.484 | |||
| CURRENT REGULATION | ||||||
| V(SNS) | Current regulation threshold | BQ2057 and BQ2057C, High-side current sensing configuration | 95.4 | 105 | 115.5 | mV |
| BQ2057T and BQ2057W, High-side current sensing configuration | 103.6 | 125 | 137.5 | |||
| BQ2057 and BQ2057C, Low-side current sensing configuration | 100 | 110 | 121 | |||
| BQ2057T and BQ2057W, Low-side current sensing configuration | 108.1 | 130 | 143 | |||
| CHARGE TERMINATION DETECTION | ||||||
| I(TERM) | Charge termination current detect threshold | Voltage at pin SNS, relative to VCC for high-side sensing, and to VSS for low-side sensing, 0°C ≤ TA ≤ 50°C | −30 | −14 | −4 | mV |
| TEMPERATURE COMPARATOR | ||||||
| V(TS1) | Lower temperature threshold | TS pin voltage | 29.1 | 30 | 30.9 | %VCC |
| V(TS2) | Upper temperature threshold | 58.3 | 60 | 61.8 | ||
| PRECHARGE COMPARATOR | ||||||
| V(min) | Precharge threshold | BQ2057 | 2.94 | 3 | 3.06 | V |
| BQ2057C | 3.04 | 3.1 | 3.16 | |||
| BQ2057T | 5.9 | 6.1 | 6.22 | |||
| BQ2057W | 6.18 | 6.3 | 6.43 | |||
| PRECHARGE CURRENT REGULATION | ||||||
| I(PRECHG) | Precharge current regulation | Voltage at pin SNS, relative to VCC for high-side sensing, and to VSS for low-side sensing, 0°C ≤ TA ≤ 50°C | 13 | mV | ||
| Voltage at pin SNS, relative to VCC for high-side sensing, 0°C ≤ TA ≤ 50°C, VCC = 5 V | 3 | 13 | 22 | mV | ||
| VRCH COMPARATOR (Battery Recharge Threshold) | ||||||
| V(RCH) | Recharge threshold | BQ2057 and BQ2057C | VO(REG)− 98 mV | VO(REG)− 100 mV | VO(REG)− 102 mV | V |
| BQ2057T and BQ2057W | VO(REG)− 196 mV | VO(REG)− 200 mV | VO(REG)− 204 mV | V | ||
| CHARGE-RATE COMPENSATION (AutoComp) | ||||||
| G(COMP) | AutoComp gain | V(BAT)+0.3 V≤ VCC ≤ VCC(max), BQ2057, BQ2057C, BQ2057T, BQ2057W | 1.87 | 2.2 | 2.53 | V/V |
| V(BAT)+0.3 V ≤ VCC ≤ VCC(max), BQ2057T and BQ2057W in low-side sensing configuration | 2.09 | 2.4 | 2.76 | |||
| STAT PIN | ||||||
| VOL(STAT) | Output (low) voltage | IOL = 10 mA | 0.7 | V | ||
| VOH(STAT) | Output (high) voltage | IOH = 5 mA | VCC–0.5 | |||
| CC PIN | ||||||
| VOL(CC) | Output low voltage | IO(CC) = 5 mA (sink) | 1.5 | V | ||
| IO(CC) | Sink current | Not to exceed power rating specification (PD) | 5 | 40 | mA | |