封装信息
| CAD 模型: | View CAD Model |
| Pkg. Type: | QFN |
| Pkg. Code: | L2U |
| Lead Count (#): | 32 |
| Pkg. Dimensions (mm): | 4.0 x 4.0 x 0.90 |
| Pitch (mm): | 0.4 |
环境和出口类别
| Moisture Sensitivity Level (MSL) | 3 |
| Pb (Lead) Free | Yes |
| ECCN (US) | EAR99 |
| HTS (US) | 8542.39.0090 |
| RoHS (RAA4892553GNP#HA5) | 下载 |
产品属性
| Pkg. Type | QFN |
| Lead Count (#) | 32 |
| Carrier Type | Reel |
| Moisture Sensitivity Level (MSL) | 3 |
| Pb (Lead) Free | Yes |
| Pb Free Category | Pb-Free 100% Matte Tin Plate-e3 |
| Temp. Range (°C) | -40 to +85°C |
| Country of Assembly | MALAYSIA, TAIWAN |
| Country of Wafer Fabrication | TAIWAN |
| Absolute Cell Voltage Measurement Accuracy | ±10mV Max (°C to 60°C) |
| Advanced Features | 5 HVGPIO's (i.e. LEDs for SOC) |
| Cell Balancing FETs | None |
| Cells Supported (#) | 3 - 5 |
| Charge/Discharge FET Arrangement | None |
| Charge/Discharge FET Control | No |
| Charge/Discharge FET Location | N/A |
| Comm. Interface | I2C |
| Daisy Chain | No |
| Description | 3-5 Cell Battery Monitor |
| GPI+GPIOs (#) | 5 |
| IS (mA) | 0.09 |
| Implementation | Pack |
| Integrated Charge/Discharge FET Drive | No |
| Integrated Current Sense/Detection | Wakeup Only |
| Integrated Regulator Output/Reference Output | 3.3V |
| Integrated Temperature Sense | Yes |
| Internal ADC (bits) | 12 |
| Length (mm) | 4 |
| MOQ | 6000 |
| Pack Voltage (Op) | 6 - 27 |
| Parametric Category | Battery Protectors, Monitors & Balancers |
| Pitch (mm) | 0.4 |
| Pkg. Dimensions (mm) | 4.0 x 4.0 x 0.90 |
| Qualification Level | Standard |
| Quality Level | Standard |
| SHDN ICC | (max) 1 µA |
| Series Cells | 3 to 5 Cells |
| Sleep/Reset Mode Current (µA) | 2 |
| Stand Alone Capable | No |
| Thickness (mm) | 0.9 |
| Width (mm) | 4 |
有关 RAA489255 的资源
描述
RAA489255 是一款针对带 MCU 控制功能的电池组而优化的 3 节至 5 节电池监测器，可提供电池健康监测功能。 该器件在主控的串行指令下，测量电池组电压、电芯电压、外部温度和内部温度。 系统和内部检测功能可持续追踪器件健康状况和系统状态。 RAA489255 采用带循环冗余校验（CRC）的 I²C 接口，确保与 MCU 通信的可靠性，并提供六个开漏式高压通用输入输出（GPIO）引脚，用于驱动 LED 或熔断保险丝。
RAA489255 的平均待机电流为 85 µA，可最大限度降低功耗，从而延长电池的存储和放电寿命。 该板采用紧凑型 32 引脚 4mm × 4mm QFN 封装，便于高效集成。