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18730 Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc

Part # 18730
Description  Power Management IC with Five Regulated Outputs Programmed Through 3 Wire Serial Interface
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

18730 Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
5
18730
PIN CONNECTIONS
37
SW2
Power
Switching
Switching Power Supply Circuit 2 Coil Connection
38
SW2
Power
Switching
Switching Power Supply Circuit 2 Coil Connection
39
VIN2
Output
Voltage Output
Switching Power Supply Circuit 2 Output
40
VOUT2
Output
Voltage Output
Power Switch 2 Output
41
VO2_SENSE_IN
Input
Voltage Input
Power Switch 2 Voltage Input
42
VO2_SENSE
Input
Voltage Input
Switching Power Supply Circuit 2 VO2_SENSE Voltage Input
43
HG
Output
Step Down Top FET 2
Switching Power Supply Circuit 2 Step down Top side FET Gate
Output for Ni_mh
44
LG
Output
Step Down Bottom
FET 2
Switching Power Supply Circuit 2 Step down Bottom side FRT Gate
Output for Ni_mh
45
VGATE_EXT
Output
Gate Switch
External Transistor Gate Signal Output
46
SREGC3
Power
Regulator Capacitor 3
Series Pass Power Supply Circuit 3 External Feedback Connection
47
SREGO3
Output
Regulator Output 3
Series Pass Power Supply Circuit 3 Output
48
SREGI3
Power
Regulator Input 3
Series Pass Power Supply Circuit 3 Power Supply
49
SREGC2
Power
Regulator Capacitor 2
Series Pass Power Supply Circuit 2 External Feedback Connection
50
SREG2G
Output
Regulator Gate
Output 2
Series Pass Power Supply Circuit 2 External Transistor Gate Signal
Output
51
SREGO2
Output
Regulator Output 2
Series Pass Power Supply Circuit 2 Output
52
SREGI2
Power
Regulator Input 2
Series Pass Power Supply Circuit 2 Power Supply
53
SREGC1
Power
Regulator Capacitor 1
Series Pass Power Supply Circuit 1 External Feedback Connection
54
SREGO1
Output
Regulator Output 1
Series Pass Power Supply Circuit 1 Output
55
SREGI1
Power
Regulator Input 1
Series Pass Power Supply Circuit 1 Power Supply
56
GND
Ground
Ground
GND
57
VREF
Output
Reference Voltage
Reference Voltage Output
58
DATA
Input
Data Signal
Serial Interface Data Signal Input
59
STRB
Input
Strobe
Serial Interface Strobe Signal Input
60
SCKIN
Input
Serial Clock
Serial Interface Clock Signal Input
61
WATCHDOG
Input
Watch Dog Timer
Watchdog Timer Capacitor Connection
62
SEQ_SELECT
Input
Sequence Input
Start-Up Sequence Setting Input
63
EXT_CLOCK
Input
Clock Input
External Synchronous Clock Signal Input
64
SLEEP
Input
Sleep Signal
Sleep Signal Input
Table 1. MPC18730 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 14.
Pin Number
Pin Name
Pin
Function
Formal Name
Definition


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