参数资料
型号: MAX16046ATN+
厂商: Maxim Integrated Products
文件页数: 38/70页
文件大小: 0K
描述: IC EE-PROG SYS MGR 12CH 56-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 37
类型: 系统管理器
监视电压数目: 12
输出: 开路漏极,推挽式
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 ~ 125°C
安装类型: 表面贴装
封装/外壳: 56-WFQFN 裸露焊盘
供应商设备封装: 56-TQFN-EP(8x8)
包装: 托盘
MAX16046/MAX16048
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
Voltage Margining
Margining is commonly performed while a system is
under development, but margining can also be per-
formed during the manufacturing process. The supply
voltages of external DC-DC regulators can be adjusted
by trimming the regulator’s reference input (for voltage-
regulator modules), altering the voltage regulator ’s
feedback node, or adjusting a “brick” power supply’s
trim input. See the Applications Information section for
sample circuits.
Margining can be controlled over the serial interface or by
using GPIO2 and GPIO3. Before adjusting the voltages
using the DAC outputs, enable voltage margining func-
tionality by setting the Margin bit at r4Dh[1] to ‘1’ (see
Table 1) or configure GPIO6 as MARGIN (see Tables 4
Table 19. DACOUT1–DACOUT12 Margin Data
and 5). Set DACOUT_ voltages to the appropriate values
and then enable the appropriate DAC outputs.
To control margining with external circuitry, configure
GPIO2 and GPIO3 as MARGINUP and MARGINDN
inputs, respectively. Pull MARGINUP low and pull
MARGINDN high to select DACOUT_ voltage values
set in registers r66h to r71h. Pull MARGINDN low and
pull MARGINUP high to select DACOUT_ values set in
registers r72h to r7Dh (see Tables 19 and 20). Pull both
MARGINUP and MARGINDN high or low to select
DACOUT_ values set in registers r00h to r0Bh.
See Table 16 for more information on setting the volt-
age ranges for the DACOUT_ outputs. Table 20 shows
which register values are used for the DAC outputs for
each state of MARGINUP and MARGINDN .
REGISTER/
EEPROM
ADDRESS
66h
67h
68h
69h
6Ah
6Bh
6Ch
6Dh
6Eh
6Fh
70h
71h
BIT
RANGE
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
DESCRIPTION
DACOUT1 Margin-Up Data
DACOUT2 Margin-Up Data
DACOUT3 Margin-Up Data
DACOUT4 Margin-Up Data
DACOUT5 Margin-Up Data
DACOUT6 Margin-Up Data
DACOUT7 Margin-Up Data
DACOUT8 Margin-Up Data
DACOUT9 Margin-Up Data*
DACOUT10 Margin-Up Data*
DACOUT11 Margin-Up Data*
DACOUT12 Margin-Up Data*
REGISTER/
EEPROM
ADDRESS
72h
73h
74h
75h
76h
77h
78h
79h
7Ah
7Bh
7Ch
7Dh
BIT
RANGE
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
DESCRIPTION
DACOUT1 Margin-Down Data
DACOUT2 Margin-Down Data
DACOUT3 Margin-Down Data
DACOUT4 Margin-Down Data
DACOUT5 Margin-Down Data
DACOUT6 Margin-Down Data
DACOUT7 Margin-Down Data
DACOUT8 Margin-Down Data
DACOUT9 Margin-Down Data*
DACOUT10 Margin-Down Data*
DACOUT11 Margin-Down Data*
DACOUT12 Margin-Down Data*
*MAX16046 only
Table 20. DACOUT Margining Output Dependencies
38
MARGINUP
(GPIO2)
1
1
0
0
MARGINDN
(GPIO3)
1
0
1
0
DACOUT REGISTER USED
DACOUT registers r00h to r0Bh
MARGIN DN registers r72h to r7Dh
MARGIN UP registers r66h to r71h
DACOUT registers r00h to r0Bh
DACOUT SWITCH STATE
Depends on r1Ch, r1Dh
Closed
Closed
Depends on r1Ch, r1Dh
Maxim Integrated
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MAX16046ATN+ 功能描述:监控电路 12Ch EEPROM Prob System Manager 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
MAX16046ATN+T 功能描述:监控电路 12Ch EEPROM Prob System Manager 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
MAX16046ECB+ 功能描述:监控电路 12Ch EEPROM Prob System Manager 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
MAX16046ECB+T 功能描述:监控电路 12Ch EEPROM Prob System Manager 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
MAX16046ETN+ 功能描述:监控电路 12Ch EEPROM Prob System Manager 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