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参数资料
| 型号： | MAX6876ETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/39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
Functional Diagram
IN1
IN2
ABP
IN3
IN4
V CC
ABP
GATE1 OUT1
INTERNAL
SUPPLY/UVLO
MAX6876
CHARGE
PUMP
V CP1 = V IN1 + 5V
IN1
UV/OV
IN1
OVER-
CURRENT
IN1
PG1
COMP
RAMP
DETECT
GENERATOR
COMP
V THPG
IN2
UV/OV
IN3
UV/OV
COMP
COMP
CONTROL
LOGIC
GND
ABP
IN4
UV/OV
EEPROM/
CONFIGURATION
REGISTERS
COMP
1.25V
REF
RAMP
TRACKING
MONITORS
OUT1
OUT2
OUT3
OUT4
IN1
IN2
IN3
IN4
IN2 TO OUT2
CONTROL BLOCK
IN3 TO OUT3
CONTROL BLOCK
IN4 TO OUT4
CONTROL BLOCK
GATE2
PG2
OUT2
GATE3
PG3
OUT3
GATE4
PG4
OUT4
voltages at the sources of the MOSFETs are compared
to each other to ensure that the voltage differential
between each monitored supply does not exceed
250mV (typ). Tracking is dynamically adjusted to force
all outputs to track within a ±125mV window from a ref-
erence ramp; if, for any reason, any supply fails to track
within ±250mV from the reference ramp, the FAULT
output is asserted, the power-up mode is terminated,
and all outputs are powered off. Power-up mode is in
the same way terminated if the controlled voltages fail
to complete the ramp up within a programmable FAULT
timeout. The MAX6876 generates all required voltages
(with internal charge pumps) and timing to control up to
four external n-channel MOSFETs for the OUT1 – OUT4
supply voltages.
A synchronization feature allows up to 16 voltages to
be tracked simultaneously. In addition, HOLD and
SYNCH communicate synchronization status between
master/slave devices in multiple MAX6876 applications.
Other features of the MAX6876 include a reset circuit
with an I 2 C-programmable timeout feature. A manual
reset input ( MR ) and a margin disable input ( MARGIN )
allow for more control during the manufacturing process.
The device also features four power-good outputs (PG_),
an overcurrent output ( OC ), and a bus-removal safe
(REM) output. The device has an accurate internal 1.25V
reference; for greater accuracy, connect an external
+1.25V reference to REFIN.
14
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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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