BD4154FV_10 ROHM [Rohm], BD4154FV_10 Datasheet - Page 6

• Manufacturer Part Number: BD4154FV_10
• Description: Power Switch IC for ExpressCard
• Manufacturer: ROHM [Rohm]

●Block Diagram
●PIN CONFIGRATION
BD4154FV
© 2010 ROHM Co., Ltd. All rights reserved.
PERST_IN#
www.rohm.com
PERST#
V3_IN1
V3_IN2
SYSR
TEST
V3_1
V3_2
GND
EN
10
1
2
3
4
5
6
7
8
9
3.3V
1.5V
3.3V
SSOP-B20 Package
V3AUX_IN
CPUSB#
V15_IN1
V15_IN2
V3_IN1
V3_IN2
CPPE#
SYSR
EN
18
15
16
12
11
4
2
5
3
V3AUX_IN
20
19
18
17
16
15
14
13
12
11
Reference
Charge
Pump
Block
NC
RCLKEN
CPPE#
CPUSB#
Input
logic
V3AUX_IN
V3AUX
V15_IN2
V15_IN1
V15_2
V15_1
protection
Thermal
VD
V3AUX_IN
TSD,CL,UVLO
TSD,CL,UVLO_AUX
TSD,CL,UVLO
V15_IN
●PIN FUNCTION
V3_IN
VD
VD
VD
PIN No
TSD
6/15
10
12
13
14
15
16
17
18
19
20
11
1
2
3
4
5
6
7
8
9
lock out
voltage
Under
V3_IN,V3AUX_IN,V15_IN
V3,V3AUX,V15
EN,SYSR,CPUSB#,CPPE#
PERST_IN#
PIN NAME
V3AUX_IN
CPUSB#
RCLKEN
PERST#
V15_IN1
V15_IN2
V3_IN1
V3_IN2
CPPE#
V3AUX
V15_1
V15_2
UVLO
UVLO_AUX
SYSR
TEST
V3_1
V3_2
GND
EN
NC
Power
good
V3AUX_IN
PERST# control input pin (SysReset#)
Enable input pin
Logic input pin
V3 input pin 1
V3 input pin 2
V3 output pin 1
V3 output pin 2
Logic output pin
Test pin
GND pin
Logic input pin
Logic input pin
V15 output pin 1
V15 output pin 2
V15 input pin 1
V15 input pin 2
V3AUX output pin
V3AUX input pin 1
Reference clock enable signal/
Power good signal (No delay)
Non connection
GND
10
CL
17
19
14
PIN FUNCTION
6
8
1
7
V3AUX
V3-1
3.3V AUX/275mA
V15-1
V15-2
V3-2
RCLKEN
PERST#
PERST_IN#
1.5V/625mA
3.3V/1.30A
Technical Note
2010.04 - Rev.B