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參數(shù)資料
| 型號： | MPC18730EP |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Power Management IC with Five Regulated Outputs Programmed Through 3 Wire Serial Interface |
| 中文描述： | 與電源管理IC，通過3線串行接口編程五穩(wěn)壓輸出 |
| 文件頁數(shù)： | 22/35頁 |
| 文件大?。?/td> | 617K |
| 代理商： | MPC18730EP |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
22
18730
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
VG GENERATOR
Figure 10. Circuit when using a Step-Up Converter
When WAKE (int) goes High from Low, the start-up circuit
raises the VB voltage and outputs it to VGATE, then outputs
the VGATE voltage when PGOOD1 (int) goes High. The
charge pump circuit can be used for both Ni_mh and Li_ion
by setting the necessary registers. The charge pump circuit is
disabled by default.
The VGATE voltage can be set in the range of 6 V to 4.5 V
according to the combination of VGATESEL1 and 2 pin
connections. Refer to
Table 16, VGATE Voltage Settings and
VGATESEL1 and 2 Pin Connection
on page
23
for the VG
voltage settings.
When using a charge pump, please refer to
Figure 11
.
L
L
L
L
L
H
X
X
2.091
L
L
L
L
H
L
X
X
2.102
L
L
L
H
L
L
X
X
2.125
L
L
H
L
L
L
X
X
2.170
L
H
L
L
L
L
X
X
2.260
H
L
L
L
L
L
X
X
2.440
H
L
L
L
L
H
X
X
2.451
H
L
L
L
H
L
X
X
2.462
H
L
L
H
L
L
X
X
2.485
H
L
H
L
L
L
X
X
2.530
H
H
L
L
L
L
X
X
2.620
H
H
H
H
H
H
X
X
2.800
Notes
34.
35.
All combinations of input are not included.
The SREG1 and 3 output voltages are determined by the combination of external resistances connected to
SREGC1 and 3 (65.14K
between SREGO1 and SREGC1, 34.86K
between SREGC1 and GND, 73.84K
between SREGO3 and SREGC3, and 26.16K
between SREGC3 and GND).
Table 14. Output Voltage of SREG3
Address: 0111
(34)
B7
B6
B5
B4
B3
B2
CP Off
EXTG On
SREG3 [V]
(35)
VBATT
VGATE
Step-Up
Pre Driver
SWGATE
VBATT
VGATE
GNDGATE
VG_select
VG_duty
VGATE
VGATE
Start Up
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC18730EP | 制造商:Freescale Semiconductor 功能描述:IC POWER MANAG PROG 121MA 64QFN |
| MPC18730EP/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Power Management IC with Five Power Management IC with Five Power Management IC with Five Power Management IC with Five |
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