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BD2066FJ
Technical data
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ROHM BD2066FJ Technical data

Power Management Switch ICs for PCs and Digital Consumer Products
2ch High Side Switch ICs for USB Devices and Memory Cards
●Description
High side switch for USB is a high side switch having over-current protection used in power supply line of universal serial bus (USB). Its switch unit has two channels of N-channel power MOSFET. And, over-current detection circuit, thermal shutdown circuit, under-voltage lockout and soft-start circuit are built in.
●Features
1) Dual N-MOS High Side Switch
2) Current Limit Threshold 2.4A
3) Control Input Logic Active-Low : BD2062FJ Active-High : BD2066FJ
4) Soft-Start Circuit
5) Over-Current Detection
6) Thermal Shutdown
7) Under-Voltage Lockout
8) Open-Drain Error Flag Output
9) Reverse Current Protection When Switch Off
10) Flag Output Delay Filter Built In
11) Power Supply Voltage Range 2.7V~5.5V
12) TTL Enable Input
13) 0.8ms Typical Rise Time
14) 1μA Max Standby Current
●Applications
PC, PC peripheral USB hub in consumer appliances, Car accessory, and so forth
●Line Up Matrix
No.11029EBT15
Parameter BD2062FJ BD2066FJ
Current limit threshold (A) 2.4 2.4
Control input logic Low High
Number of channels 2ch 2ch
Package SOP-J8 SOP-J8
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© 2011 ROHM Co., Ltd. All rights reserved.
1/16
2011.05 - Rev.B
BD2062FJ,BD2066FJ
●Absolute Maximum Ratings (Ta=25℃)
Parameter Symbol Ratings Unit
Supply voltage VIN -0.3 ~ 6.0 V
Enable input voltage VEN -0.3 ~ 6.0 V
/OC voltage V/OC -0.3 ~ 6.0 V
/OC sink current IS/OC ~ 5 mA
OUT voltage VOUT -0.3 ~ 6.0 V
Storage temperature TSTG -55 ~ 150 ℃
Power dissipation Pd 675*1 mW
*1 Mounted on 70mm * 70mm * 1.6mm glass-epoxy PCB. Derating : 5.4mW/ oC above Ta=25 oC * This product is not designed for protection against radioactive rays.
●Operating Conditions
Parameter Symbol
Operating voltage VIN 2.7 - 5.5 V
Operating temperature TOPR -40 - 85 ℃
Min. Typ. Max.
Ratings
Technical Note
Unit
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© 2011 ROHM Co., Ltd. All rights reserved.
2/16
2011.05 - Rev.B
BD2062FJ,BD2066FJ
●Electrical Characteristics ○BD2062FJ (Unless otherwise specified VIN = 5.0V, Ta = 25℃)
Parameter Symbol
Min. Typ. Max.
Limits
Technical Note
Unit Conditions
Operating current
Standby current
/EN input voltage
/EN input current
/OC output low voltage
/OC output leak current
/OC delay time
On-resistance
Switch leak current ILSW - - 1.0 μA V/EN = 5V, VOUT = 0V
Reverse leak current ILREV - - 1.0 μA VOUT = 5.5V, VIN = 0V
Current limit threshold
Short circuit current
Output rise time
IDD -
ISTB - 0.01 1 μA V/EN = 5V , OUT=OPEN
V/EN 2.0 - - V High input
V/EN - - 0.8 V Low input
I/EN -1.0 0.01 1.0 μA V/EN = 0V or V/EN = 5V
V/OCL - - 0.5 V I/OC = 1mA
IL/OC - 0.01 1 μA V/OC = 5V
T/OC 10 15 20 ms
RON -
ITH
ISC
TON1 - 0.8 10 ms RL = 10Ω
1.5 2.4 3.0
1.1 1.5 2.1
130 180
80 125
μA V/EN = 0V , OUT=OPEN
mΩ IOUT = 500mA
A
V
OUT
= 0V
A
L = 47μF (RMS)
C
Output turn-on time
Output fall time
Output turn-off time
UVLO threshold
TON2 - 1.1 20 ms RL = 10Ω
TOFF1 - 5 20 μs RL = 10Ω
TOFF2 - 10 40 μs RL = 10Ω
VTUVH 2.1 2.3 2.5 V Increasing VIN
VTUVL 2.0 2.2 2.4 V Decreasing VIN
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© 2011 ROHM Co., Ltd. All rights reserved.
3/16
2011.05 - Rev.B
BD2062FJ,BD2066FJ
○BD2066FJ (Unless otherwise specified VIN = 5.0V, Ta = 25 ℃)
Parameter Symbol
Operating current IDD - 130 180 μA VEN = 5V , OUT=OPEN
Standby current ISTB - 0.01 1 μA VEN = 0V , OUT=OPEN
Min. Typ. Max.
Limits
Unit Condition
Technical Note
EN input voltage
EN input current IEN -1.0 0.01 1.0 μA VEN = 0V or VEN = 5V
/OC output low voltage V/OCL - - 0.5 V I/OC = 1mA
/OC output leak current IL/OC - 0.01 1 μA V/OC = 5V
/OC delay time T/OC 10 15 20 ms
On-resistance RON - 80 125 mΩ IOUT = 500mA
Switch leak current ILSW - - 1.0 μA VEN = 0V, VOUT = 0V
Reverse leak current ILREV - - 1.0 μA VOUT = 5.5V, VIN = 0V
Current limit threshold ITH 1.5 2.4 3.0 A
Short circuit current ISC 1.1 1.5 2.1 A
Output rise time TON1 - 0.8 10 ms RL = 10Ω
Output turn-on time TON2 - 1.1 20 ms RL = 10Ω
Output fall time TOFF1 - 5 20 μs RL = 10Ω
VEN 2.0 - - V High input
VEN - - 0.8 V Low input
VOUT = 0V C
L = 47μF (RMS)
Output turn-off time TOFF2 - 10 40 μs RL = 10Ω
V
UVLO threshold
TUVH 2.1 2.3 2.5 V Increasing VIN
VTUVL 2.0 2.2 2.4 V Decreasing VIN
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© 2011 ROHM Co., Ltd. All rights reserved.
4/16
2011.05 - Rev.B
BD2062FJ,BD2066FJ
●Measurement Circuit
VIN
1µF
A
GND
/OC1
Technical Note
IN
V
1µF
GND
/OC1
IN
EN
V
EN
V
EN1
EN2
OUT1
OUT2
/OC2
IN
EN
V
EN
V
EN1
EN2
OUT1
OUT2
/OC2
RL C
L
Operating current EN, /EN input voltage, Output rise, fall time
Inrush current
EN
V
VEN
VIN
1µF
GND
IN
EN1
EN2
IOUT
/OC1
OUT1
OUT2
/OC2
VDD
IOUT
VEN
VEN
VIN
1µF
GND
IN
EN1
EN2
/OC1
OUT1
OUT2
/OC2
10k10k
IOUT
On-resistance, Over-current detection /OC output low voltage
Fig.1 Measurement circuit
●Timing Diagram ○BD2062FJ
TOFF1
TON1
○BD2066FJ
TOFF1
TON1
RLC
IOUT
L
VOUT
V/
EN
10%
TON2
50%
90%
90%
50%
T
OFF2
10%
VOUT
V
EN
10%
TON2
50%
90%
90%
50%
T
10%
OFF2
Fig.2 Timing diagram Fig.3 Timing diagram
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© 2011 ROHM Co., Ltd. All rights reserved.
5/16
2011.05 - Rev.B
BD2062FJ,BD2066FJ
Technical Note
●Electrical Characteristic Curves (Reference Data)
180
TA=25℃ TA=25℃
160
(uA)
140
DD
120
100
80
60
40
20
OPERATING CURRENT: I
0
23456
(uA)
DD
SUPPLY VOLTAGE: VIN (V)
Fig.4 Operating current
EN, /EN enable
1
VIN=5V
0.8
0.6
0.4
0.2
STANDBY CURRENT: I
0
-50 0 50 100
AMBIENT TEMPERATURE: TA (℃)
Fig.7 Standby current
EN, /EN disable
180
VIN=5V
160
(uA)
140
DD
120
100
80
60
40
20
OPERATING CURRENT: I
0
-50 0 50 100
AMBIENT TEMPERATURE: TA (℃)
Fig.5 Operating current
EN, /EN enable
2
TA=25℃
(V)
EN
1.5
1
0.5
EN INPUT VOLTAGE: V
0
23456
Low to High
High to Low High to Low
SUPPLY VOLTAGE: V
(V)
IN
Fig.8 EN, /EN input voltage Fig.9 EN, /EN input voltage
1
0.8
(uA)
DD
0.6
0.4
0.2
STANDBY CURRENT: I
0
23456
SUPPLY VOLTAGE: V
Fig.6 Standby current
EN, /EN disable
2
VIN=5V
(V)
EN
1.5
1
0.5
EN INPUT VOLTAGE: V
0
-50 0 50 100
Low to High
AMBIEN T T EMPER ATURE: T
100
TA=25℃ TA=25℃
(mV)
80
/OC
60
40
20
/OC OUTPUT VOLTAGE: V
0
23456
Fig.10 /OC output low voltage Fig.11 /OC output low voltage Fig.12 On-resistance
SUPPLY VOLTAGE: V
(V)
IN
100
VIN=5V
(mV)
80
/OC
60
40
20
/OC OUTPUT VOLTAGE: V
0
-50 0 50 100
AMBIENT TEMPERATURE: T
A
(℃)
120
100
(mΩ)
ON
80
60
40
20
ON RESISTANCE: R
0
23456
SUPPLY VOLTAGE: VIN (V)
120
VIN=5V VIN=5V
100
(mΩ)
ON
80
60
3
TA=25℃
(A)
TH
2.5
3
(A)
TH
2.5
40
20
ON RESISTANCE: R
0
-50 0 50 100
AMBIENT TEMPERATURE: TA (℃)
Fig.13 On-resistance
2
CURRENT LIMT THRESHOLD: I
1.5
23456
SUPPLY VOLTAGE: V
(V)
IN
Fig.14 Current limit threshold
2
1.5
CURRENT LIMIT THRESHOLD: I
-50 0 50 100
AMBIENT TEMPERATURE: TA (℃)
Fig.15 Current limit threshold
(V)
IN
(℃)
A
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© 2011 ROHM Co., Ltd. All rights reserved.
6/16
2011.05 - Rev.B
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