MAX1645AEEI vs MAX1645BEEI vs MAX1645EEI

Same silicon die in different packages — compare I/O count, footprint, and form factor to find the best fit for your PCB design.

Parameter MAX1645AEEI Current MAX1645BEEI MAX1645EEI
Package / Case 28-SSOP (0.154", 3.90mm Width) 28-SSOP (0.154", 3.90mm Width) 28-SSOP (0.154", 3.90mm Width)
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Product Status Obsolete Active Active
Package Bag 28-SSOP (0.154", 3.90mm Width) 28-SSOP (0.154", 3.90mm Width)
Battery Chemistry Multi-Chemistry Multi-Chemistry Multi-Chemistry
Number of Cells 1 ~ 4 1 ~ 4 1 ~ 4
Charge Current - Max 3A 3A 3A
Battery Pack Voltage 18.4V (Max) 18.4V (Max) 18.4V (Max)
Voltage - Supply (Max) 28V 28V 28V
Interface I2C, SMBus I2C, SMBus I2C, SMBus
Price $3.54 $13.36 $5.35
Availability In Stock In Stock In Stock

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