电源接口模块(ATCA)
    更高可靠性的开架式的单板结构
ATCA Power Interface Module IQ65033QMA10 iQor™电源接口模块集成了ATCA基本规格所要求的所有特性。只需最少量的外部元器件即可完成所有主要功能(见下面应用图)。通过对高电压进行调节,使保持电容得到有效利用。可提供标准模块或带 I2C接口功能的全特色模块。
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Package Dimension Drawings
PIN DESIGNATION TABLE
 
iQor
Pin Name Function
1 -48V_A Negative A feed (externally fused)
2 -48V_B Negative B feed (externally fused)
3 VRTN_A Positive A feed (externally fused)
4 VRTN_B Positive B feed (externally fused)
5 ENABLE_A Enable A input (externally fused)
(Short pin tied to VRTN_A on backplate)
6 ENABLE_B Enable B input (externally fused)
(Short pin tied to VRTN_A on backplate)
7 SHELF_GND Shelf ground
8 5.0V 5.0V (relative to LOGIC_GND)
9 3.3V 3.3V (relative to LOGIC_GND)
10 12C_ADR I2C address input *
(Connect external resistor to LOGIC_GND) **
11 12C_DAT I2C data (Relative to LOGIC_GND) *
12 12C_CLK I2C clock (Relative to LOGIC_GND) *
13 LOGIC_GND Logic ground
14 ALARM Isolated A/B feed loss or open fuse alarm
(Relative to LOGIC_GND)
15 -48V_OUT Negative output to payload power converter
16 HU_TRIM Hold-up voltage trim
    (Connect external resistor to -48V_OUT)
17 VRTN_OUT Positive output to payload power converter
18 HU_CAP Positive connection to hold-up capacitor
(Negative connection to _48V_OUT)
Notes: * Pin 10, 11 and 12 are only available on the full featured version. See datasheet (ordering page) for more information.
           ** Single resistor connected externally to LOGIC_GND selects the three least significant bit of I2C Adress "0101xxx".