|
Maxim > Solutions > Battery Management
Battery Selectors: 1 Li+ cell battery packs (< 4.4V battery voltage)
|
|
| 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
| |
| Key Specifications:
Battery Chargers |
| Part Number |
Cell Chemistry |
Number of Lithium-Ion cells |
Protected VIN (max) (V) |
Charging VIN (max) (V) |
Charge Rate Set by |
Max. Charge Current (A) |
Max. Charge Current (A) |
Charge Termination |
Charge Regulation |
Features |
EV-Kit |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
|
MAX8677C
|
Li-Ion
Li-Polymer
|
1
|
16
|
6.6
|
Logic Input
Resistor
|
1.5
|
1.5
|
Min. Charge Current
|
Linear
|
|
Yes
|
TQFN/24
|
17
|
-40 to +85
|
|
MAX8731A
|
Li-Ion
Li-Polymer
|
1
2
3
4
|
26
|
26
|
SMBus
|
8
|
8
|
Current Limit
Max. Voltage
Smart Battery Control
|
Switchmode
|
|
Yes
|
TQFN/28
|
26
|
-40 to +85
|
| See All Battery Chargers (62) |
| Key Specifications:
Comparators |
| Part Number |
Number per Pkg. |
Typ Prop. Delay (ns) |
Input CMVR to Neg. Rail |
Rail to Rail Input |
Min. Total Supply (V) |
Max. Total Supply (V) |
Max. Supply Current per Comp. (µA) |
Typ VOS (mV) |
VOS (max) (mV) |
Logic Output |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
|
MAX9027
|
1
|
14000
|
Yes
|
Yes
|
1.8
|
5.5
|
1
|
0.3
|
5
|
CMOS
|
UCSP/6
|
2
|
-40 to +85
|
|
MAX9028
|
1
|
14000
|
Yes
|
Yes
|
1.8
|
5.5
|
1
|
0.3
|
5
|
Open Drain
|
UCSP/6
|
2
|
-40 to +85
|
| See All Comparators (83) |
| Key Specifications:
Comparators + Reference |
| Part Number |
Comps. per Pkg. |
Threshold (V) |
Internal Reference Accuracy (%) |
Typ Prop. Delay (µs) |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
Max. Total Supply Current (µA) |
Prog. Hyst. |
Typ VOS (mV) |
VOS (max) (mV) |
Logic Output |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
|
MAX9025
|
1
|
1.236
|
1
|
20
|
1.8
|
5.5
|
1.7
|
No
|
0.3
|
5
|
Push-Pull
|
UCSP/6
|
2
|
-40 to +85
|
|
MAX9026
|
1
|
1.236
|
1
|
20
|
1.8
|
5.5
|
1.7
|
No
|
0.3
|
5
|
Open Drain
|
UCSP/6
|
2
|
-40 to +85
|
| See All Comparators + Reference (42) |
|
|
