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ANALOG DEVICES MAX1737EEI+
Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 4.2V / 4A charge, QSOP-28
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- MAX1737EEI+
- Order Code:
- 2518764
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- Product Range
- -
- Technical Datasheet:
- MAX1737EEI+ Datasheet
- ECAD / MCAD
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Product Overview
The MAX1737EEI+ is a stand-alone switch-mode Lithium-ion Battery-charger Controller. The switch-mode Lithium-ion (Li+) battery charger that charges one to four cells. It provides a regulated charging current and a regulated voltage with only a ±0.8% total voltage error at the battery terminals. The external N-channel switch and synchronous rectifier provide high efficiency over a wide input voltage range. A built-in safety timer automatically terminates charging once the adjustable time limit has been reached. The MAX1737 regulates the voltage set point and charging current using two loops that work together to transition smoothly between voltage and current regulation. An additional control loop monitors the total current drawn from the input source to prevent overload of the input supply, allowing the use of a low-cost wall adapter. The per-cell battery voltage regulation limit is set between +4.0 and +4.4V and can be set from one to four by pin strapping.
- Stand-alone charger for up to 4 Li+ cells
- ±0.8% Accurate battery regulation voltage
- 98% Duty cycle low dropout
- Safely precharges near-dead cells
- Continuous voltage and temperature monitoring
1µA Shutdown battery current - Safety timer prevents overcharging
- Input current limiting
- 300kHz PWM oscillator reduces noise
- 90% Conversion efficiency
Applications
Computers & Computer Peripherals, Power Management
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- :
- Li-Ion, Li-Pol
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- 28V
- :
- 4.2V
- :
- 4A
- :
- QSOP
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- 28Pins
- :
- 4Cells
- :
- -40°C
- :
- 85°C
- :
- Surface Mount
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
315 In stock
10 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays)
305 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
100 more will be available on 8/22/25
100 more will be available on 8/30/25
Extra stock is available upon order to the Supplier Lead Time which is approximately 9/8/25
100 more will be available on 8/22/25
100 more will be available on 8/30/25
10 deliver in 2-3 business days from our SG warehouse
305 deliver in 3-4 business days from our UK warehouse
305 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥608.66
(¥669.53 Inc. JCT)
Pricing is unavailable. Please contact customer services.
- Price for:
- Each
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| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥608.66 (¥669.53) |
| 10+ | ¥587.24 (¥645.96) |
| Quantity | Price (Incl JCT) |
|---|
Pricing is unavailable. Please contact customer services.
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