参数资料
型号: MAX34440ETL+
厂商: Maxim Integrated Products
文件页数: 30/43页
文件大小: 0K
描述: IC PS MANAGER PMBUS 6CH 40TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: 基站网络线路卡,服务器
电源电压: 2.7 V ~ 5.5 V
电流 - 电源: 2.5mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 托盘
其它名称: 90-34440+T00
MAX34440
PMBus 6-Channel Power-Supply Manager
4) Responds as specified in MFR_FAULT_RESPONSE.
5) Notifies the host using ALERT assertion (if enabled in MFR_MODE).
OT_WARN_LIMIT (51h)
The OT_WARN_LIMIT command sets the temperature, in degrees Celsius, of the selected temperature sensor at which
an overtemperature warning is detected. The 2 data bytes are in DIRECT format. In response to the OT_WARN_LIMIT
being exceeded, the device does the following:
1) Sets the TEMPERATURE bit in STATUS_BYTE.
2) Sets the TEMPERATURE and MFR bits in STATUS_WORD.
3) Sets the OT_WARN bit in STATUS_MFR_SPECIFIC.
4) Notifies the host through ALERT assertion (if enabled in MFR_MODE).
POWER_GOOD_ON (5Eh)
The POWER_GOOD_ON command sets the value of the output voltage that causes the PG output to assert. All enabled
power supplies must be above their associated POWER_GOOD_ON thresholds before the PG output is asserted.
OPERATION
COMMAND CODE OR
CONTROL PIN
TON_DELAY
TOFF_DELAY
PSEN PIN
(ACTIVE HIGH OR LOW/
OPEN DRAIN OR PUSH-PULL)
TON_MAX_FAULT_LIMIT
POWER_GOOD_ON
VOUT_UV_FAULT_LIMIT
ADC INPUT
POWER_GOOD# BIT IN
STATUS_MFR_SPECIFIC
Figure 1. Power-Supply Sequencing
30
POWER_GOOD_OFF
Maxim Integrated
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