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Maxim > Solutions > Battery Management
Protection ICs: 1 Li+ cell battery packs (<4.4 battery voltage)
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Overvoltage-Protection Controller with USB ESD Protection
MAX4987AE, MAX4987BE
| Overvoltage-Protection Controller with ESD Protection for High-Speed USB Interface |
| QV PDF |
High-Side Power and Current Monitors
MAX4210, MAX4211
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| QV PDF |
UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference
MAX9025, MAX9026, MAX9027, MAX9028
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| 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) |
| 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) |
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MAX4211
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28
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2.7
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5.5
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670
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No
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100
150
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16.67 V/V
25 V/V
40.96 V/V
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1.5
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220
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2
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Bandgap
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THIN QFN/16
TSSOP/16
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17
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-40 to +85
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MAX4210
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28
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2.7
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5.5
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380
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No
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100
150
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16.67 V/V
25 V/V
40.96 V/V
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1.5
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220
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0
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-
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THIN QFN (Dual)/6
uMAX/8
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10
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-40 to +85
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| See All Current Sense Amplifiers (19) |
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