LTC4015IUHF#TRPBF vs LT1970IFE 对比
详细并排对比 LTC4015IUHF#TRPBF 出自 Analog Devices 和 LT1970IFE 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 | LTC4015IUHF#TRPBF | LT1970IFE |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 分类 | Battery Management | Amplifier ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.80 | $5.55 |
| 功能 | Synchronous Buck Battery Charger Controller with Digital Telemetry | — |
| 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 | — |
| 封装 | 38-lead plastic QFN (5mm x 7mm) | 20-pin TSSOP-EP (Exposed Pad) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (per JEDEC J-STD-020) | — |
| Lead-Free / RoHS | Yes (Pb-free, RoHS compliant) | Lead-free (PBF suffix); RoHS-compliant variants available |
| Product Type | — | Power Operational Amplifier |
| Output Current | — | ±500 mA minimum |
| Number of Channels | — | 1 |
| Supply Voltage (Total) | — | 5 V to 36 V |
| Supply Type | — | Single or Split |
| Current Limit Accuracy | — | 2 % (typical) |
| Current Limit Programming | — | Separate ILIM+ and ILIM- control voltages |
| Output Swing | — | Within ±2.5 V of either supply rail at full load |
| External Current Boost | — | Supported via external power transistors |
| 工作温度范围 | — | -40 °C to +85 °C (I grade) |
| 热关断 | — | Yes |
| Datasheet Document | — | 1970fe.pdf (per Analog Devices product page) |