LTC1923EUH vs LTC4015IUHF#TRPBF 对比
详细并排对比 LTC1923EUH 出自 Analog Devices 和 LTC4015IUHF#TRPBF 出自 Analog Devices。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。
Analog Devices
LTC4015IUHF#TRPBF - Multi-Chemistry Buck Charger, 35V, 38-QFN | ADI
LTC4015IUHF#TRPBF ✓ 量产中规格对比
| 参数 | LTC1923EUH | LTC4015IUHF#TRPBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Specialized PMIC | 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） | $18.15 | $7.80 |
| 功能 | Thermoelectric Cooler / Heater PWM Controller | Synchronous Buck Battery Charger Controller with Digital Telemetry |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| 电源电流 | 2 mA (typical) | — |
| 开关频率 | 225 kHz | — |
| Output Topology | Full H-bridge with complementary drivers (bidirectional) | — |
| Drive Configuration | Unidirectional or bidirectional TEC / heater | — |
| Temperature Feedback | External thermistor / RTD input | — |
| 封装 | 32-WFQFN Exposed Pad (5x5 mm) | 38-lead plastic QFN (5mm x 7mm) |
| Package Code | QFN-32 (UH) | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 °C to +85 °C | — |
| 软启动 | Programmable | — |
| MSL 等级 | 1 (unlimited) | 1 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant (#PBF suffix) | — |
| Lead-Free | Yes (PBF suffix indicates Pb-free finish) | — |
| Supported Battery Chemistries | — | Li-Ion/Polymer, LiFePO4, Lead-Acid |
| Number of Cells | — | Multi-cell (chemistry dependent) |
| Input Voltage (Max) | — | 35 V |
| Battery Voltage (Max) | — | 35 V |
| Charge Current Programming | — | External sense resistor + I2C |
| Input Current Limit Programming | — | External sense resistor |
| 拓扑 | — | Synchronous buck |
| Telemetry ADC Resolution | — | 14-bit |
| Telemetry Interface | — | I2C serial port |
| Charge Algorithm Selection | — | Pin-selectable (chemistry specific) |
| Operating Junction Temperature Range (I) | — | -40C to +125C |
| Operating Junction Temperature Range (E) | — | 0C to +85C |
| Lead-Free / RoHS | — | Yes (Pb-free, RoHS compliant) |