LTC1923EUH vs LTC4015IUHF#TRPBF Comparison
Detailed side-by-side comparison of LTC1923EUH by Analog Devices and LTC4015IUHF#TRPBF by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
LTC4015IUHF#TRPBF - Multi-Chemistry Buck Charger, 35V, 38-QFN | ADI
LTC4015IUHF#TRPBF ✓ ActiveSpecification Comparison
| Parameter | LTC1923EUH | LTC4015IUHF#TRPBF |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | Specialized PMIC | Battery Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $18.15 | $7.80 |
| Function | Thermoelectric Cooler / Heater PWM Controller | Synchronous Buck Battery Charger Controller with Digital Telemetry |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Supply Current | 2 mA (typical) | — |
| Switching Frequency | 225 kHz | — |
| Output Topology | Full H-bridge with complementary drivers (bidirectional) | — |
| Drive Configuration | Unidirectional or bidirectional TEC / heater | — |
| Temperature Feedback | External thermistor / RTD input | — |
| Package | 32-WFQFN Exposed Pad (5x5 mm) | 38-lead plastic QFN (5mm x 7mm) |
| Package Code | QFN-32 (UH) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 °C to +85 °C | — |
| Soft-Start | Programmable | — |
| MSL Level | 1 (unlimited) | 1 (per JEDEC J-STD-020) |
| RoHS Status | 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 |
| Topology | — | 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) |