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Maxim > Solutions > Battery Management
Battery Selectors: 1 Li+ cell battery packs (<4.4 battery voltage)
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| Display |
Title / Parts |
Key Advantages |
| 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
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| Key Specifications:
Battery Chargers |
| Part Number |
Cell Chemistry |
Number of Lithium-Ion cells |
Protected VIN (max) (V) |
Charging VIN (max) (V) |
Internal FET/Transistor |
Charger (V) |
Charge Rate Set by |
Max. Charge Current (A) |
Charge Termination |
Secondary Charge Termination |
Charge Regulation |
Features |
EV-Kit |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX8677C
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Li-Ion
Li-Polymer
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1
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16
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6.6
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Yes
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4.2
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Logic Input
Resistor
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1.5
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Min. Charge Current
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Timer
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Linear
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Yes
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THIN QFN/24
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17
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-40 to +85
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MAX8731A
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Li-Ion
Li-Polymer
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1
2
3
4
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26
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26
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No
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0 to 19.2
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SMBus
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8
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Current Limit
Max. Voltage
Smart Battery Control
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-
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Switchmode
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Yes
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THIN QFN/28
THIN QFN/32
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26
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-40 to +85
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| See All Battery Chargers (59) |
| Key Specifications:
Comparators |
| Part Number |
Number per Pkg. |
Typ Prop. Delay (ns) |
Input CMVR to Neg. Rail |
Min. Total Supply (V) |
Max. Total Supply (V) |
Max. Supply Current per Comp. (µA) |
Typ VOS (mV) |
Logic Output |
Latched Outputs |
Complementary Outputs |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX9027
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1
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14000
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Yes
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1.8
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5.5
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1
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0.3
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CMOS
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No
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No
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UCSP/6
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2
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-40 to +85
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MAX9028
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1
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14000
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Yes
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1.8
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5.5
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1
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0.3
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Open Drain
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No
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No
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UCSP/6
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2
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-40 to +85
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| See All Comparators (81) |
| Key Specifications:
Comparators + Reference |
| Part Number |
Comps. per Pkg. |
Threshold (V) |
Number of Inputs / Thresholds (V) |
Threshold Accuracy (%) |
Internal Reference Accuracy (%) |
Typ Prop. Delay (µs) |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
Max. Total Supply Current (µA) |
Comp. Inputs Available |
Prog. Hyst. |
Typ VOS (mV) |
VOS (max) (mV) |
Logic Output |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX9025
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1
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1.236
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1 / 1.236
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1
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1
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20
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1.8
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5.5
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1.7
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1 Inv. + 1 Noninv.
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No
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0.3
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5
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Push-Pull
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UCSP/6
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2
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-40 to +85
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MAX9026
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1
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1.236
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1 / 1.236
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1
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1
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20
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1.8
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5.5
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1.7
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1 Inv. + 1 Noninv.
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No
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0.3
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5
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Open Drain
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UCSP/6
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2
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-40 to +85
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| See All Comparators + Reference (38) |
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