参数资料
型号: KIT18730EPEVBE
厂商: Freescale Semiconductor
文件页数: 25/35页
文件大小: 0K
描述: KIT FOR MPC18730 PMIC
标准包装: 1
主要目的: DC/DC,LDO 步降
输出及类型: 5,非隔离
稳压器拓扑结构: 降压
频率 - 开关: 200kHz
板类型: 完全填充
已供物品: 板,软件
已用 IC / 零件: MPC18730
相关产品: MPC18730EPR2-ND - IC PMIC PROGR 5-OUTPUTS 64-QFN
MPC18730EP-ND - IC PMIC PROGR 5-OUTPUTS 64-QFN
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Table 19. Clock Select Register
0010
Data1
Data2
Bit
Name
Default
3
Ext/Int
0
2
Half Freq
0
1
RSTB sleep
1
0
S_Off_VG
0
3
VG_Duty [3]
0
2
VG_Duty[2]
0
1
VG_Duty[1]
0
0
VG_Duty[0]
0
Ext / Int: Clock Select control 1
1 = External Clock
0 = Internal Clock
2FS: Clock Select control 2
1 = 2FS on
0 = 2FS off
RSTB Sleep: RSTB Sleep Monitor *1
1 = RSTB SLEEP Monitor off
0 = RSTB SLEEP Monitor on
S_Off_VG: VG Top side transistor off
1 = Synchronous Rectification Off
0 = Synchronous Rectification On
VG_Duty[3]: VG Duty Control MSB
1 = VG Duty[3] is high
0 = VG Duty[3] is low
Table 20. VO1_SENSE Output Voltage Register
VG_Duty[2]: VG Duty Control Bit 2
1 = VG Duty[2] is high
0 = VG Duty[2] is low
VG_Duty[1]: VG Duty Control Bit1
1 = VG Duty[1] is high
0 = VG Duty[1] is low
VG_Duty[0]: VG Duty Control LSB
1 = VG Duty[0] is high
0 = VG Duty[0] is low
VG is controlled by PFM method. This register can change
the duty by 16 steps.
Refer to Table 15, VGATE Duty Settings on page 23 for
the correspondence between the VG Duty maximum values
and register settings.
0011
Data1
Data2
Bit
Name
Default
3
VO1_SENSE
[6]
1
2
VO1_SENSE
[5]
0
1
VO1_SENSE
[4]
0
0
VO1_SENSE
[3]
0
3
VO1_SENSE
[2]
0
2
VO1_SENSE
[1]
0
1
VO1_SENSE
[0]
0
0
S_Off_VO1_SENSE
0
VO1_SENSE[6]: Reference DAC MSB
1 = VO1_SENSE[6] on
0 = VO1_SENSE[6] off
VO1_SENSE[5]: Reference DAC Bit5
1 = VO1_SENSE5] on
0 = VO1_SENSE[5] off
VO1_SENSE[4]: Reference DAC Bit4
1 = VO1_SENSE[4] on
0 = VO1_SENSE[4] off
VO1_SENSE[3]: Reference DAC Bit3
1 = VO1_SENSE[3] on
0 = VO1_SENSE[3] off
VO1_SENSE[1]: Reference DAC Bit1
1 = VO1_SENSE[1] on
0 = VO1_SENSE[1] off
VO1_SENSE[0] on
0 = VO1_SENSE[0] off
S_Off_VO1_SENSE: DDC1 Top side (Ni_mh) / Bottom
side (Li_ion) transistor off
1 = Synchronous Rectification Off
0 = Synchronous Rectification On
Refer to Table 10, Output Voltage of VO1_SENSE on
page 19 for the correspondence between the output voltage
and register settings.
VO1_SENSE[2]: Reference DAC Bit2
1 = VO1_SENSE[2] on
0 = VO1_SENSE[2] off
18730
Analog Integrated Circuit Device Data
Freescale Semiconductor
25
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