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Maxim > Solutions > Battery Management

Protection ICs: 2, 3, and 4 Series Li+ Battery Packs( >5V battery voltage)

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF High-Voltage OVP with Battery Switchover
MAX4959, MAX4960

High-Voltage OVP Providing Overvoltage Lockout and Undervoltage Lockout with Battery Switchover
QV  PDF High-Side Power and Current Monitors
MAX4210, MAX4211
QV    Advanced Smart Battery-Pack Controller
MAX1782
QV    Advanced Smart Battery-Pack Controller
MAX1781

Advanced Smart Battery-Pack Controller Integrates a User-Programmable Microcontroller Core, a Coulomb-Counting Fuel Gauge, a Multichannel Data-Acquisition Unit, and an SMBus™ V1.1-Compliant Master/Slave SMBus Interface
QV  PDF Advanced Li+ Battery-Pack Protectors
MAX1894, MAX1924

Smallest Li+ Protection Solution Also Offers the Most Complete Set of Features
QV  PDF Li+ Battery-Pack Protector with Integrated Fuse Driver
MAX1906
QV    Advanced Smart Battery Pack Controller
MAX1780

MAX1780 Advanced Battery Pack Is a Smart Battery Pack Supervisor That Integrates a User-Programmable Microcontroller Core, Coulomb Counting Fuel Gauge, and Primary Pack Protector
QV  PDF Advanced Lithium-Ion Battery-Pack Protector
MAX1666A, MAX1666S, MAX1666V, MAX1666X

Safely Increases Battery-Pack Capacity



Key Specifications:   Battery Protectors, Selectors and Monitors
Part Number Functions Battery Type Interface User Data Storage (bytes) Parameters Measured Battery Protection Supply Voltage (min) (V) Supply Voltage (max) (V) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX1894 
•Protector
 3-4 Cell Li-Ion  -   -  Current
Time
Voltage 		Over-Current
Over/Under Voltage 		4 20
•External MOSFET Drivers
 QSOP/16 31 -40 to +85
MAX1924 
•Protector
 3-4 Cell Li-Ion  -   -  Current
Time
Voltage 		Over-Current
Over/Under Voltage 		4 20
•External MOSFET Drivers
 QSOP/16 31 -40 to +85
MAX1906 
•Protector
 2-4 Cell Li-Ion  -   -  Time
Voltage 		Over Voltage 4 20
•External MOSFET Drivers
 QFN/16 26 -40 to +85
MAX1666 
•Protector
 2-4 Cell Li-Ion  -   -  Current
Voltage 		Cell Mismatch
Over-Current
Over/Under Voltage 		2 26
•External MOSFET Drivers
 QSOP/16
QSOP/20 		31 -40 to +85
MAX1780 
•Fuel Gauge
•Protector
•Status Monitor
 2-4 Cell Li-Ion SMBus 2K Internal Memory/Up to 64K External Memory Current
Temperature
Time
Voltage 		Over-Current
Over/Under Voltage 		3.5 28
•3.3V LDO
•Digital Current Accumulation
•Internal MOSFET Drivers
 LQFP/48 83 -40 to +85
See All Battery Protectors, Selectors and Monitors (21)

Key Specifications:   Current Sense Amplifiers
Part Number CMVR (max) (V) VCC (min) (V) VCC (max) (V) ICC (typ) (µA) Bidirectional Current-Sense VSENSE_FS (recommended) (mV) AV (Gain) Gain Accuracy @25°C (max) (%) -3dB BW (kHz) Comparators Reference Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX4211  28 2.7 5.5 670 No 100
150 		16.67 V/V
25 V/V
40.96 V/V 		1.5 220 2 Bandgap THIN QFN/16
TSSOP/16 		17 -40 to +85
MAX4210  28 2.7 5.5 380 No 100
150 		16.67 V/V
25 V/V
40.96 V/V 		1.5 220 0  -  THIN QFN (Dual)/6
uMAX/8 		10 -40 to +85
See All Current Sense Amplifiers (19)


         


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