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BD39002EFV-C 반도체 회로 부품 판매점

Buck-Boost Switching Regulator + LDO + Reset + Watch Dog Timer



ROHM Semiconductor 로고
ROHM Semiconductor
BD39002EFV-C 데이터시트, 핀배열, 회로
Datasheet
Power Management IC for Automotive Microcontroller
Buck-Boost Switching Regulator + LDO
+ Reset + Watch Dog Timer
BD39002EFV-C
General Description
BD39002EFV-C is a power management IC with
buck-boost switching regulator controller (DC / DC1),
LDO, reset and WDT.
The BD39002EFV-C includes protection circuits, such
as Under voltage, Over voltage, Over current and TSD.
Features
Automatically controlled buck-boost switching
regulator with 40 V rated VCC, DC / DC and LDO
input
5 V fixed output secondary LDO
Configurable Sequence control
Over Current protection
DC / DC1: Adjustable voltage with external resistors
LDO: Integrated
Over voltage / Under voltage detection
Reset for LDO and WDT
Window Watchdog Timer
HTSSOP-B30 package
Key Specifications
Input voltage range
4.0 V to 30 V
(Startup voltage needs to be above 4.5V.)
Output voltage
Buck-Boost DC / DC1 FB Voltage
0.8 V
Secondary LDO
5.0 V
Reference voltage accuracy
Buck-Boost DC / DC1 FB Voltage
±2 %
Secondary LDO
±2 %
Oscillation frequency
200 to 550 kHz
Max output current
Secondary LDO
600 mA
Stand-by Current
0 μA (Typ)
Operating temperature range
-40 °C to 125 °C
AEC-Q100 Qualified
Package
HTSSOP-B30
W (Typ) × D (Typ) × H (Max)
10.00 mm × 7.60 mm × 1.00 mm
Applications
Microcontroller for Automotive
Typical Application Circuit
Simplified Circuit1
Simplified Circuit2
VCC
EN1
CL
VREG
OUTH
VO1 RT
SS1
VL
VDD
FB1 OUTL
COMP1
VO1
VS2
PGND1
VO2
EN2 CT
ENWD
CLK
RTW
SEL_UVLO
GND
RST2#
RSTWD#
PG1
PG2
VO1
VO2
Buck-Boost Switching Regulator + Secondary LDO
VCC
EN1
CL
VERG
OUTH
VO1 RT
SS1
VL
VDD
FB1 OUTL
COMP1
VO1
VS2
PGND1
VO2
EN2 CT
ENWD
CLK
RTW
SEL_UVLO
GND
RST2#
RSTWD#
PG1
PG2
Buck Switching Regulator + Secondary LDO
VO1
VO2
Product structure: Silicon monolithic integrated circuit
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 14 001
This product is not designed for protection against radioactive rays
1/43
TSZ02201-0T2T0AM00200-1-2
Oct.29.2014 Rev.001


BD39002EFV-C 데이터시트, 핀배열, 회로
BD39002EFV-C
Pin Configuration
(TOP VIEW)
Datasheet
Pin Description
Pin No. Symbol
1 VL
2 N.C.
3 OUTH
4 N.C.
5 CL
6 VCC
7 EN1
8 T3
9 VREG
10 EN2
11 SEL_UVLO
12 T4
13 VS2
14 VO2
15 PG2
(Note 1) Short with GND
Function
Pch FET gate clamp
Not connected
Pch MOSFET drive
Not connected
Overcurrent detection setting
Supply voltage input
Output ON / OFF for DC / DC1
Test pin(Note 1)
Internal power supply
Output ON / OFF for LDO
Select Pin for VCC UVLO
Test pin(Note 1)
Supply Voltage Input for LDO
5 V Output
Power good output for LDO
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Symbol
PG1
RSTWD#
RST2#
ENWD
CLK
CT
RTW
RT
GND
SS1
COMP1
FB1
VDD
OUTL
PGND1
Function
Power good output for DC / DC1
Reset Output for WDT
Reset Output for LDO
WDT enable pin
Clock input
Reset Delay
Frequency setting for WDT
Frequency setting
Ground pin
Soft start time setting for DC / DC1
Error-amp output for DC / DC1
Feedback for DC / DC1
Nch MOSFET drive supply
Nch MOSFET drive
Power Ground
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111 15 001
2/43
TSZ02201-0T2T0AM00200-1-2
Oct.29.2014 Rev.001




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BD39002EFV-C regulator

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BD39002EFV-C

Buck-Boost Switching Regulator + LDO + Reset + Watch Dog Timer - ROHM Semiconductor