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Maxim > 솔루션 > 무선 전화기

배터리 모니터링/전압 검출기

데이터 시트
디스플레이 제목/부품번호 주요 성능 (이점)
QV  PDF TDFN 패키지로 제공되는 50mΩ 배터리 스위치가 내장된 USB/AC 어댑터, Li+ 선형 배터리 충전기
MAX8856

USB/AC 어댑터로부터 단일 셀 Li+ 배터리 핸드헬드 장치에 안전하고 빠른 충전 제공
QV  PDF µDFN 및 SC70 패키지로 제공되는 저전력, 1% 정확도 배터리 모니터
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
QV  PDF 초저전력 전압 검출기 및 µP 감시 회로
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
QV  PDF SOT 패키지로 제공되는 고전압, 저전류 전압 모니터
MAX6457, MAX6458, MAX6459, MAX6460
QV  PDF 히스테리시스 및 통합 µP 리셋 기능의 저전력, 단일/듀얼 레벨 배터리 모니터
MAX6439, MAX6440, MAX6441, MAX6442
QV  PDF 3핀, 초저전력 SC70/SOT23 전압 검출기
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380

업계 최소형, 저전력 전압 검출기



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 Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max max ≥ max w/pins
MAX8856 
Li-Ion
Li-Polymer
 1 14 5.5
Logic Input
Preset
Resistor
 1 Min. Charge Current Linear
Dual USB/Adapter Input
Input Current Limit
Internal FET/Transistor
Smart Power Selector
Thermal Die Regulation
Thermistor Input
USB Input
 Yes
TDFN-EP/14
 10 -40 to +85
See All Battery Chargers (62)

Key Specifications:  Battery Protectors, Selectors and Monitors
Part Number Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max w/pins
MAX6775 
µDFN/6
SC70/5
 2 -40 to +85
See All Battery Protectors, Selectors and Monitors (25)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
MAX6775 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Push-Pull - <1ms No Watchdog Power Fail Comparator/Low Battery Detect 1 7
MAX6776 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain - <1ms Power Fail Comparator/Low Battery Detect 1 7
MAX6777 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Push-Pull - <1ms Power Fail Comparator/Low Battery Detect 1 7
MAX6778 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain - <1ms Power Fail Comparator/Low Battery Detect 1 7
MAX6461 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - <1ms - 1 3.5
MAX6462 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 - Push-Pull <1ms - 1 3.5
MAX6463 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 1 3.5
MAX6464 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - 85ms to 300ms - 2.5 3.5
MAX6465 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 - Push-Pull 85ms to 300ms - 2.5 3.5
MAX6466 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - 85ms to 300ms - 2.5 3.5
MAX6457 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain -
85ms to 300ms
<1ms
High Voltage (>6V)
Latched Output
 - 12.5
MAX6458 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain -
85ms to 300ms
<1ms
High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
 - 12.5
MAX6460 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 - Open Drain <1ms
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
MAX6439 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain -
85ms to 300ms
>1s
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6440 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull -
85ms to 300ms
>1s
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6441 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain -
85ms to 300ms
>1s
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6442 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull -
85ms to 300ms
>1s
Manual Reset
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6375 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms - 2.5 0.5
MAX6376 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms - 2.5 0.5
MAX6377 
1.8 to 2.5
2.5 to 3.3
 Open Drain - <1ms - 2.5 0.5
MAX6378 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 2.5 0.5
MAX6379 
2.5 to 3.3
3.3 to 5.5
 Open Drain Push-Pull <1ms - 2.5 0.5
MAX6380 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 2.5 0.5
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
MAX6779  R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Push-Pull <1ms No Watchdog Power Fail Comparator/Low Battery Detect 1 7
MAX6780  Open Drain Power Fail Comparator/Low Battery Detect 1 7
MAX6781 
Open Drain
Push-Pull
 Power Fail Comparator/Low Battery Detect 1 7
MAX6459  Open Drain
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
See All Supervisors (2 Monitored Voltages) (84)



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