参数资料
型号: MC34827A2EPR2
厂商: Freescale Semiconductor
文件页数: 48/57页
文件大小: 0K
描述: IC USB POWER MANAGER 20-QFN
标准包装: 1
应用: OR 控制器,UART/USB 数据,音频管理
电流 - 电源: 9µA
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-UFQFN 裸露焊盘
供应商设备封装: 20-QFN-EP(3x4)
包装: 标准包装
其它名称: MC34827A2EPR2DKR
TYPICAL APPLICATIONS
APPLICATION INFORMATION
VDD
VDDIO
VDD
VDDIO
INT_MASK is cleared manually
INT_MASK
INT_MASK
by I2C after I2C is valid
Attaching
VBUS detection delay time
defined in register 0x22 and
Identification flow delay
Attaching
t1
t2
t2 = t wait (t1 = t det - t wait )
t2 = t d - t1 (t1 < t det - t wait )
t wait : Delay defined by the Switching
Wait in register 0x09 when the
WAIT=1
t d : ID Identification flow delay
INTB
INTB
ISET
JIG_ON
HI-Z
HI-Z
~4.5ms
ISET
JIG_ON
HI-Z
HI-Z
~4.5ms
Power
Switch
OPEN
CLOSED
Power
Switch
OPEN
CLOSED
Delay defined by the Switching Wait
in register 0x09 when the WAIT=1
Signal
Switches
OPEN
CLOSED
Signal
Switches
OPEN
CLOSED
1.2ms
I2C
VALID
VALID
VALID
I2C
NOT VALID
VALID
(a) USB identification Timing in phone power-on state
(b) USB identification Timing in phone power-off state
Figure 41. USB Host Identification Timing Diagram
MC34827
Analog Integrated Circuit Device Data
48
Freescale Semiconductor
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