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10,000 pcs
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10000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The MAX1737EEI+T is a versatile switch-mode lithium-ion battery charger controller from Analog Devices / Maxim Integrated. It is capable of charging one to four Li+ cells, providing a regulated charging current and voltage with an impressive ±0.8% total voltage error at the battery terminals.
This charger features high efficiency due to its external N-channel switch and synchronous rectifier, operating over a wide input voltage range up to +28V. A built-in safety timer automatically terminates charging once an adjustable time limit is reached, preventing overcharging. The device also includes input current limiting to prevent overload of the input supply, making it suitable for use with low-cost wall adapters.
Key features include continuous voltage and temperature monitoring, safe precharging for near-dead cells, and a low shutdown battery current of less than 1µA. The MAX1737EEI+T operates within a temperature range of -40°C to +85°C and is housed in a space-saving 28-pin QSOP package, making it ideal for compact designs.
Applications for the MAX1737EEI+T include notebook computers, hand-held instruments, Li+ battery packs, and desktop cradle chargers. Its design facilitates smooth transitions between voltage and current regulation, ensuring optimal charging performance.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.29 | $1.29 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The MAX1737EEI+T accepts input voltages up to 28V.
It charges 1 to 4 lithium-ion cells.
The operating temperature range is -40°C to 85°C.
The MAX1737EEI+T is available in 28-QSOP and 28-SSOP (0.154", 3.90mm width) surface-mount packages.
The battery regulation voltage accuracy is ±0.8%.
The conversion efficiency is 90%.
The shutdown battery current is less than 1µA.