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| 型号： | MAX6876ETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 24/39页 |
| 文件大小： | 0K |
| 描述： | IC TRACKER/SUPERVISOR MON 36TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 序列发生器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 管件 |
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EEPROM-Programmable, Quad,
Power-Supply Tracker/Sequencer Circuit
Table 12. OC Threshold Settings
REGISTER
ADDRESS
EEPROM MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
Bit [7:6] “ 00 ” IN4 to OUT4 overcurrent threshold = 97.5%
[7:6]
“ 01 ” IN4 to OUT4 overcurrent threshold = 95%
“ 10 ” IN4 to OUT4 overcurrent threshold = 92.5%
“ 11 ” IN4 to OUT4 overcurrent threshold = 90%
Bit [5:4] “ 00 ” IN3 to OUT3 overcurrent threshold = 97.5%
“ 01 ” IN3 to OUT3 overcurrent threshold = 95%
“ 10 ” IN3 to OUT3 overcurrent threshold = 92.5%
“ 11 ” IN3 to OUT3 overcurrent threshold = 90%
0Dh
2Dh
[5:0]
Bit [3:2] “ 00 ” IN2 to OUT2 overcurrent threshold = 97.5%
“ 01 ” IN2 to OUT2 overcurrent threshold = 95%
“ 10 ” IN2 to OUT2 overcurrent threshold = 92.5%
“ 11 ” IN2 to OUT2 overcurrent threshold = 90%
Bit [1:0] “ 00 ” IN1 to OUT1 overcurrent threshold = 97.5%
“ 01 ” IN1 to OUT1 overcurrent threshold = 95%
“ 10 ” IN1 to OUT1 overcurrent threshold = 92.5%
“ 11 ” IN1 to OUT1 overcurrent threshold = 90%
Bit [7:6] “ 00 ” overcurrent timer value = 12.5ms
“ 01 ” overcurrent timer value = 50ms
“ 10 ” overcurrent timer value = 100ms
“ 11 ” overcurrent timer value = 200ms
Bit 5 — If 1, overcurrent monitoring on OUT1 is enabled
If 0, no overcurrent monitoring on OUT1
0Eh
2Eh
[7:1]
Bit 4 — If 1, overcurrent monitoring on OUT2 is enabled
If 0, no overcurrent monitoring on channel 1
Bit 3 — If 1, overcurrent monitoring on OUT3 is enabled
If 0, no overcurrent monitoring on OUT3
Bit 2 — If 1, overcurrent monitoring on OUT4 is enabled
If 0, no overcurrent monitoring on OUT4
ABP
ABP powers the analog circuitry. Bypass ABP to GND
with a 1μF ceramic capacitor installed as close to the
device as possible. Do not use ABP to provide power
to external circuitry.
Configuring the MAX6876
The MAX6876 factory-default configuration sets all reg-
isters to 00h. This device requires configuration before
full power is applied to the system. To configure the
MAX6876, first apply an input voltage greater than 2.7V
to one of IN1 – IN4 or V CC (see the Powering the
MAX6876 section). Next, transmit data with the serial
interface. Use the block write protocol to quickly config-
ure the device. Write to the configuration registers first,
to ensure the device is configured properly. After com-
pleting the setup procedure, use the read word proto-
col to read back the data from the configuration
registers. Lastly, use the write word protocol to write
this data to the EEPROM registers. After completing the
EEPROM register configuration, apply full power to the
system to begin normal operation. The nonvolatile
EEPROM stores the latest configuration upon removal
of power (Table 14).
Software Reboot
A command code of C4h initiates a software reboot. A
software reboot allows the user to restore the EEPROM
configuration to the volatile registers without cycling the
power supplies.
24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6876ETX+ | 功能描述:监控电路 EEPROM-Prog Quad Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6876ETX+T | 功能描述:监控电路 EEPROM-Prog Quad Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6876ETX-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6876EVCMOD2 | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6876EVKIT | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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