Maxim > 方案 > 蜂窝手机
电池监视器/电压检测器
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| 显示 |
标题/型号 |
关键优势 |
| QV PDF |
电流监测器和累加器，内置检流电阻
DS2741
| 高边电流检测能够检测下游电路的失效，并可消除地线干扰 |
| QV PDF |
具有电池切换功能的高压OVP
MAX4959, MAX4960
| 具有电池切换功能的高压OVP，提供过压、欠压锁存 |
| QV PDF |
低功耗、精度达1%的电池监测器，提供µDFN和SC70封装
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
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| QV PDF |
超低功耗电压检测器及微处理器监控电路
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
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| QV PDF |
高压、低电流电压监测器，SOT封装
MAX6457, MAX6458, MAX6459, MAX6460
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| QV PDF |
150mA、SOT23封装、低压差线性稳压器，内置微处理器复位电路
MAX6329, MAX6349
| 完备的LDO和µP监控复位电路，采用SOT23封装 |
| QV PDF |
3引脚、超低功耗、SC70/SOT23封装电压检测器
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380
| 业内尺寸最小、功耗最低的电压检测器 |
| Key Specifications: Battery Protectors, Selectors and Monitors |
| Part Number |
Functions |
Battery Type |
Interface |
Parameters Measured |
VSUPPLY
(V) |
VSUPPLY
(V) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
| min |
max |
max w/pins |
| DS2741 |
Fuel Gauge |
1 Cell Li-Ion |
2-Wire |
|
2.5 |
4.5 |
|
10 |
-20 to +70 |
| MAX6775 |
- |
- |
- |
- |
- |
- |
|
2 |
-40 to +85 |
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See All Battery Protectors, Selectors and Monitors (25)
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| Key Specifications: Linear Regulators |
| Part Number |
Regulators |
VIN
(V) |
VIN
(V) |
Preset VOUT
(V) |
Adj. VOUT
(V) |
Adj. VOUT
(V) |
VDROPOUT @Rated ILOAD
(V) |
Rated ILOAD
(mA) |
ICC
(µA) |
Low Batt./ Pwr. Fail Out |
POK/Reset Thresh.
(V) |
Watchdog |
Reverse Batt. Protect. |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
| min |
max |
min |
max |
typ |
max |
nom |
max w/pins |
| MAX6329 |
1 |
2.5 |
5.5 |
|
1.23 |
5 |
0.3 |
150 |
50 |
No |
|
No |
No |
|
9 |
0 to +85 |
| MAX6349 |
|
-40 to +85 |
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See All Linear Regulators (153)
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| 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 |
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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 |
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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 |
- |
|
| 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 |
- |
|
| 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 |
| MAX6375 |
|
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Push-Pull |
<1ms |
- |
2.5 |
0.5 |
| MAX6376 |
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Push-Pull |
<1ms |
- |
2.5 |
0.5 |
| MAX6377 |
|
Open Drain |
- |
<1ms |
- |
2.5 |
0.5 |
| MAX6378 |
|
Open Drain |
- |
<1ms |
- |
2.5 |
0.5 |
| MAX6379 |
|
Open Drain |
Push-Pull |
<1ms |
- |
2.5 |
0.5 |
| MAX6380 |
|
Open Drain |
- |
<1ms |
- |
2.5 |
0.5 |
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See All Supervisors (1 Monitored Voltage) (274)
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| 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 |
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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 |
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Power Fail Comparator/Low Battery Detect |
1 |
7 |
| MAX6459 |
Open Drain |
| Adjustable Reset Input | | High Voltage (>6V) | | Overvoltage/Window Monitor |
|
- |
12.5 |
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See All Supervisors (2 Monitored Voltages) (84)
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