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MAX1758EAI+ - Maxim Integrated
Manufacturer:
Maxim Integrated
ManyChip's Part#:
MC49651703
Category:
Battery Management IC
RoHS:
Lead free / RoHS Compliant
Datasheet:
Datasheet 3D Model
Description:
MAXIM INTEGRATED PRODUCTS MAX1758EAI+ Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 4.2V / 1.5A charge, SSOP-28
Stock Locations:
Availability:
371 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 7.01

Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

The MAX1758EAI+ is a stand-alone, switch-mode Li+ Battery Charger with internal 28V switch. The MAX1758 is a switch-mode lithium-ion (Li+) battery charger that charges one-to-four cells. It provides a regulated charging current accurate to ±10% and a regulated voltage with only a ±0.8% total voltage error at the battery terminals. The internal high-side switch delivers a programmable current of up to 1.5A to charge the battery. The built-in safety timer automatically terminates charging once the adjustable time limit has been reached. The MAX1758 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 (charging + system) and automatically reduces battery-charging current, preventing overload of the input supply and allowing the use of a low-cost wall adapter.
Stand-alone charger for up to 4 Li+ batteries
±0.8% Battery regulation voltage accuracy
Low-dropout 98% duty cycle
Safely precharges near-dead cells
Continuous voltage and temperature monitoring
0.1µA Shutdown battery current
Safety timer prevents overcharging
Input current limiting
300kHz PWM oscillator reduces noise

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MAX1758EAI+ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	SSOP-28
Supply Voltage (DC)	28.0V (max)
Input Voltage (DC)	28.0 V
Output Voltage	4.2 V
Output Current	1500 mA
Number of Positions	28 Position
Output Voltage (Max)	4.2 V
Output Current (Max)	1.5 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	6V ~ 28V
Supply Voltage (Max)	28 V
Supply Voltage (Min)	6 V
Input Voltage	28 V
	Show
Size-Length	10.33 mm
Size-Width	5.38 mm
Size-Height	1.78 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

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