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PDF BD39001EKV-C Data sheet ( Hoja de datos )
| Número de pieza | BD39001EKV-C | |
| Descripción | Power Management IC | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Power Management IC for Automotive Microcontroller
Buck-Boost Switching Regulator + LDO +
Step-down Switching Regulator + Reset +
Watch Dog Timer
BD39001EKV-C
General Description
BD39001EKV-C is a power management IC with
buck-boost switching regulator controller (DC / DC1),
secondary step-down switching regulator (DC / DC2),
LDO, reset and WDT.
The BD39001EKV-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 / DC2 and LDO
input
3.3 V fixed output secondary step-down switching
regulator with built-in FET
5 V fixed output secondary LDO
Configurable Sequence control
Over Current protection
DC / DC1: Adjustable voltage with external resistors
DC / DC2: Integrated
LDO: Integrated
Over voltage / Under voltage detection
Reset for LDO, DC / DC2 and WDT
Window Watchdog Timer
HTQFP48V 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 DC / DC2
3.3 V
Secondary LDO
5.0 V
Reference voltage accuracy
Buck-Boost DC / DC1 FB Voltage
±2 %
Secondary DC / DC2
±2 %
Secondary LDO
±2 %
Oscillation frequency
200 to 550 kHz
Max output current
Secondary Buck DC / DC2
900 mA
Secondary LDO
Stand-by Current
600 mA
0 μA (Typ)
Operating temperature range
-40 °C to 125 °C
AEC-Q100 Qualified
Package
HTQFP48V
W (Typ) × D (Typ) × H (Max)
9.00 mm × 9.00 mm × 1.00 mm
Applications
Microcontroller for Automotive
Typical Application Circuit
Simplified Circuit1
VCC
EN1
CL
VREG
OUTH
VO1 RT
SS1
VL
VDD
FB1 OUTL
COMP1
PGND1
VO2 SS2
FB2
VS2
SW2
COMP2
PGND2
VO1 EN2
VS3
VO3
CT
EN3
SEQ2
RST2#
SEQ3
RST3#
ENWD
RSTWD#
CLK PG1
RTW PG2
SEL_UVLO
GND
PG3
Buck-Boost Switching Regulator
+ Secondary Switching Regulator
+ Secondary LDO
VO1
VO2
VO3
Simplified Circuit2
Buck Switching Regulator
+ Secondary Switching Regulator
+ Secondary LDO
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
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TSZ0 2201-0T3T0AM00120-1-2
Apr.7.2014 Rev.001
1 page  
BD39001EKV-C
Datasheet
Electrical Characteristic
(Unless otherwise specified: -40 °C ≤ Ta ≤ +125 °C, 4 V ≤ VCC ≤ 30 V, 5 V ≤ VS2 ≤ 10 V, 5 V ≤ VS3 ≤ 10 V)
Parameter
Limits
Symbol
Unit
Min Typ Max
Condition
All
Standby Current 1
Standby Current 2
Circuit Current
Oscillation Frequency
IST1 - 0 10 μA Ta = 25 °C
IST2 -
- 30 μA Ta = 125 °C
IVCC
5
8 12 mA RT = 33 kΩ, FB1 = 1.0 V
FOSC 315 350 385 kHz RT = 33 kΩ
VREG Output Voltage
VREG 3.0 3.5 4.0 V
VDD Output Voltage
VDD 4.5 5 5.5 V VCC = 12 V
UVLO_VCC Detection Voltage 1
VUVLOVCC1
3.30
3.60
3.90
V SEL_UVLO = OPEN
UVLO Hysteresis Voltage 1
VUVVCCHYS1
200
400
600 mV SEL_UVLO = OPEN
UVLO_VCC Detection Voltage 2
VUVLOVCC2
5.27
5.58
5.89
V SEL_UVLO = GND
UVLO_VCC Release Voltage 2
VUVVCCRE2
5.35
5.67
6.0
V SEL_UVLO = GND
UVLO Hysteresis Voltage 2
VUVVCCHYS2
50
75
- mV SEL_UVLO = GND
EN1 L Threshold
VEN1L
-
- 0.5 V
EN1 H Threshold
EN1 Input Resistance
VEN1H
2.5
-
-V
REN1 180 375 570 kΩ VCC = 5 V
SEL_UVLO Threshold
SEL_UVLO Output Current
VSEL_UVLO - VREG / 2 -
ISEL_UVLO
5
14 23
V
μA SEL_UVLO = 0 V
DC / DC1 (Buck - Boost DC / DC Controller)
FB1 Voltage
VREF08 0.784 0.800 0.816
V FB1 = COMP1
FB1 Input Bias Current
Soft Start Quick Charge Current
Soft Start Charge Current
IFB1 -1 0 +1 μA FB1 = 0.8 V
ISS0 55 110 165 μA
ISS1 5 10 15 μA
Soft Start selected Voltage
Soft Start End Voltage 1
Soft Start Cramp Voltage
VCC - VL Voltage
Hi - Side OUTH ON - Resistance
Lo - Side OUTH ON - Resistance1
Lo - Side OUTH ON - Resistance2
Hi - Side OUTL ON - Resistance
Lo - Side OUTL ON - Resistance
VSS0 0.3 0.7 1.5
VSS1
-
VSS0+
VREF08
-
VSSCL1
2.2
2.8
3.3
VL 8 10 12
RONHH
-
1.7
-
RONHL1
-
3
-
RONHL2
-
- 30
RONLH
-
18
-
RONLL
-
22
-
V
V
V SS1 = open
V VCC ≥ 12 V VCC - VL
Ω VCC = 12 V OUTH - VCC
Ω VCC = 12 V OUTH - VL
Ω VCC = 4 V OUTH - PGND
Ω VCC = 12 V
Ω VCC = 12 V
Over current detection CL voltage (Low) VCL_L 86 100 114 mV VCC - CL Voltage, VCC = 12 V
Over current detection CL voltage (High) VCL_H 172 200 228 mV VCC - CL Voltage, VCC = 12 V
Maximum ON Duty (OUTL)
TON - 92 - % FOSC = 600 kHz
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0T3T0AM00120-1-2
Apr.7.2014 Rev.001
5 Page 
BD39001EKV-C
Typical Performance Curves - Continued
Datasheet
2.5
2.0
1.5
1.0
0.5
-40
-10 20 50 80 110
Ambient Temperature: Ta [°C]
Figure 13. OUTH High RON vs. Temperature
4.5
4
3.5
3
2.5
2
1.5
-40
-10 20 50 80 110
Ambient Temperature: Ta [°C]
Figure 14. OUTH Low RON1 vs. Temperature
23
22
21
20
19
18
17
-40
-10 20 50 80 110
Ambient Temperature: Ta [°C]
Figure 15. OUTL High RON vs. Temperature
22.0
21.0
20.0
19.0
18.0
17.0
16.0
-40
-10 20 50 80 110
Ambient Temperature: Ta [°C]
Figure 16. OUTL Low RON vs. Temperature
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/52
TSZ02201-0T3T0AM00120-1-2
Apr.7.2014 Rev.001
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BD39001EKV-C.PDF ] | |
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