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LIMCHIP CO., LIMITED
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RFQ ListingPower Management ICs
LTC4020EUHF#TRPBF is an Analog Devices (Power by Linear) 55 V synchronous buck-boost battery charger and PowerPath controller. It supports multi-chemistry charging when the battery or system voltage is above, below or equal to the input, with charge current programmed by external sense resistance. The device is supplied in a 38-lead QFN (5 mm × 7 mm).
ManufacturerAnalog Devices
Package38-Lead QFN (5 mm × 7 mm, 0.5 mm pitch)
SeriesPower by Linear
Technical Specifications
| Parameter | Value / Specification |
|---|---|
| Topology | Synchronous buck-boost battery charger controller |
| Input Voltage | 4.5 V to 55 V |
| Output Voltage | Up to 55 V |
| Battery Chemistry | Li-ion, LiFePO4, lead-acid, NiMH (multi-chemistry) |
| Charge Current | Set by external sense resistor |
| Switching Frequency | 50 kHz to 500 kHz (resistor set) |
| Package / Case | 38-Lead QFN (5 mm × 7 mm, 0.5 mm pitch) |
| Control | Constant-current / constant-voltage (CC/CV) |
| Features | Input current limit, NTC thermistor, status outputs |
| Operating Temperature | -40°C to +125°C |
Key Features & Applications
- 4.5 V to 55 V input and up to 55 V output support wide-range power paths
- Synchronous buck-boost stage handles input above, below or equal to the battery rail
- Multi-chemistry CC/CV charging for Li-ion, LiFePO4 and lead-acid
- 38-lead QFN (5 × 7 mm) defines the board footprint and ordering package
- Resistor-set switching frequency from 50 kHz to 500 kHz
- Input current limit and NTC thermistor inputs protect the cell
- Exact ordering suffix retained for BOM and package matching
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Frequently Asked Questions
Is LTC4020EUHF#TRPBF available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for LTC4020EUHF#TRPBF by RFQ.
What should buyers check before ordering LTC4020EUHF#TRPBF?
Buyers should check exact suffix, package, electrical characteristics and current stock for LTC4020EUHF#TRPBF, together with live stock and traceable supply.
How do I request a quote for LTC4020EUHF#TRPBF?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.