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Maxim > Solutions > Battery Management

Battery Selectors: 1 Li+ cell battery packs (< 4.4V battery voltage)

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF High-Frequency, Low-Cost SMBus Battery Chargers
MAX17035, MAX17435, MAX17535

1.2MHz Low-Cost SMBus Chargers Deliver Up to 7A Charge Current
QV  PDF 1.5A Dual-Input USB/AC Adapter Charger and Smart Power Selector
MAX8677C

Optimized Smart Power Control Maximizes Charger Rate from USB/AC-Adapter Power While Supporting System Load
QV  PDF SMBus Level 2 Battery Charger with Remote Sense
MAX8731A

Low-Cost SMBus Charger with Integrated Dual n-Channel FET Drivers Deliver Up to 8A Charge Current
QV  PDF UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference
MAX9025, MAX9026, MAX9027, MAX9028




Key Specifications:  Battery Chargers
Part Number Cell Chemistry Lithium Ion Cells Protected VIN
(V)
Charging VIN
(V)
Charge Rate Set by Max. ICHG
(A)
Charge Termination Charge Regulation Features EV Kit Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max max max w/pins
MAX17435 NEW!
Li-Ion
Li-Polymer
2
3
4
26 26 SMBus 7
External Control
Max. Voltage
Switchmode
Input Current Limit
Serial I/F
Smart Power Selector
Yes -40 to +85
TQFN/24
16.8
MAX8677C  1 16 6.6
Logic Input
Resistor
1.5 Min. Charge Current Linear
Dual USB/Adapter Input
Internal FET/Transistor
Smart Power Selector
Stand Alone
Thermal Die Regulation
Thermistor Input
Timer
USB Input
TQFN/24
16.8
MAX8731A 
1
2
3
4
26 26 SMBus 8
Current Limit
Max. Voltage
Smart Battery Control
Switchmode
Input Current Limit
Serial I/F
TQFN/28
26
See All Battery Chargers (60)

Key Specifications:  Comparators
Part Number Comp-
arators
tPD
(ns)
VCMVR Rail to Rail Input VSUPPLY (Total)
(V)
VSUPPLY (Total)
(V)
ICC per Comp.
(µA)
VOS
(mV)
VOS
(mV)
Logic Out Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
typ to Neg. Rail min max max typ max max w/pins
MAX9027  1 14000 Yes Yes 1.8 5.5 1 0.3 5 CMOS -40 to +85
UCSP/6
1.6
MAX9028  Open Drain
UCSP/6
See All Comparators (83)

Key Specifications:  Comparators + Reference
Part Number Comp-
arators
Thresh.
(V)
Internal Ref. Accuracy
(%)
tPD
(µs)
VSUPPLY
(V)
VSUPPLY
(V)
ICC
(µA)
Prog. Hyst. VOS
(mV)
VOS
(mV)
Logic Out Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
typ min max max typ max max w/pins
MAX9025  1 1.236 1 20 1.8 5.5 1.7 No 0.3 5 Push-Pull -40 to +85
UCSP/6
1.6
MAX9026  Open Drain
UCSP/6
See All Comparators + Reference (43)



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