参数资料
型号: MC13892VKR2
厂商: Freescale Semiconductor
文件页数: 33/158页
文件大小: 0K
描述: IC PMU I.MX51/37/35/27 139MAPBGA
标准包装: 2,000
应用: 电池管理,显示器(LED 驱动器),手持/移动设备,电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 139-TFBGA
供应商设备封装: 139-PBGA(7x7)
包装: 带卷 (TR)
FUNCTIONAL DESCRIPTION
FUNCTIONAL PIN DESCRIPTION
SWITCHERS
SW1IN, SW2IN, SW3IN AND SW4IN
Switchers 1, 2, 3, and 4 input. Connect these pins to BP to supply Switchers 1, 2, 3, and 4.
SW1FB, SW2FB, SW3FB AND SW4FB
Switchers 1, 2, 3, and 4 feedback. Switchers 1, 2, 3, and 4 output voltage sense respectively. Connect these pins to the farther
point of each of their respective SWxOUT pin, in order to sense and maintain voltage stability.
SW1OUT
Switcher 1 output. Buck regulator for processor core(s).
GNDSW1
Ground for Switcher 1.
SW2OUT
Switcher 2 output. Buck regulator for processor SOG, etc.
GNDSW2
Ground for Switcher 2.
SW3OUT
Switcher 3 output. Buck regulator for internal processor memory and peripherals.
GNDSW3
Ground for switcher 3.
SW4OUT
Switcher 4 output. Buck regulator for external memory and peripherals.
GNDSW4
Ground for switcher 4.
DVS1 AND DVS2
Switcher 1 and 2 DVS input pins. Provided for pin controlled DVS on the buck regulators targeted for processor core supplies.
The DVS pins may be reconfigured for Switcher Increment / Decrement (SID) mode control. When transitioning from one voltage
to another, the output voltage slope is controlled in steps of 25 mV per time step. These pins must be set high in order for the
DVS feature to be enabled for each of switchers 1 or 2, or low to disable it.
SWBSTIN
Switcher BST input. The 2.2 μ H switcher BST inductor must be connected here.
SWBSTOUT
Power supply for gate driver for the internal power NMOS that charges SWBST inductor. It must be connected to BP.
SWBSTFB
Switcher BST feedback. When SWBST is configured to supply the UVBUS pin in OTG mode the feedback will be switched to
sense the UVBUS pin instead of the SWBSTFB pin.
GNDSWBST
Ground for switcher BST.
MC13892
Analog Integrated Circuit Device Data
Freescale Semiconductor
33
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