Datasheet
1 Channel Compact High Side Switch ICs
2.5A Current Limit High Side Switch ICs
BD82025FVJ
Description
BD82025FVJ is a Single Channel High Side Switch IC
employing N-channel power MOSFET with low on
resistance and low supply current for the power supply
line of universal serial bus (USB).
This IC has a built-in over current detection circuit,
thermal shutdown circuit, under voltage lockout and
soft start circuits.
Key Specifications
Input Voltage Range:
ON Resistance: (V
IN
=5V)
Over Current Threshold:
Standby Current:
Operating Temperature Range:
2.8V to 5.5V
90mΩ(Typ)
2.5A
0.01µA (Typ)
-40℃ to +85℃
Features
Over-Current Protection：2.5A
Control Input Logic：Active-Low
Output Discharge Function
Reverse Current Protection when Power Switch Off
Thermal Shutdown
Open-Drain Fault Flag Output
Under-Voltage Lockout
OCP Fast Response
Soft-Start Circuit
ESD Protection
UL：File No. E243261
IEC 60950-1 CB_scheme: File No.US-18106-UL
Package
TSSOP-B8J
W(Typ) D(Typ) H(Max)
3.00mm x 4.90mm x 1.10mm
TSSOP-B8J
( MSOP8 Jedec )
Applications
USB hub in consumer appliances, PC,
PC peripheral equipment, and so forth
Typical Application Circuit
5V(Typ)
5V(typ.)
3.3V
V
OUT
GND
10kΩ to
10kΩ~
100kΩ
100kΩ
OUT
OUT
OUT
C
L
+
-
C
I N
IN
IN
EN(/EN) /OC
Figure 1. Typical Application Circuit
○Product
structure：Silicon monolithic integrated circuit
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○This
product has no designed protection against radioactive rays
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BD82025FVJ
Block Diagram
Datasheet
GND
OUT
IN
UVLO
Charge
Pump
OCD
OUT
IN
Gate
Logic
OUT
EN(/EN)
TSD
/OC
Figure 2. Block Diagram
Pin Configuration
GND
1
8
OUT
IN
IN
2
Top View
7
OUT
3
6
OUT
EN(/EN)
4
5
/OC
Figure 3. Pin Configuration (TOP VIEW)
Pin Descriptions
Pin No.
1
Symbol
GND
I/O
-
Ground
Power supply input
Input terminal to the power switch and power supply input terminal of the internal circuit
Short these pins externally
Enable input
Active low power on switch
High level input > 2.0V, Low level input < 0.8V
Error flag output
Low when over-current or thermal shutdown is activated
Open drain output
Power switch output
Short these pins externally
Function
2, 3
IN
I
4
EN, /EN
I
5
/OC
O
6, 7, 8
OUT
O
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BD82025FVJ
Absolute Maximum Ratings(Ta=25℃)
Parameter
IN Supply Voltage
/EN Input Voltage
/OC Voltage
/OC Sink Current
OUT Voltage
Storage Temperature
Power Dissipation
Symbol
V
IN
V
/EN
V
/OC
I
/OC
V
OUT
Tstg
Pd
Rating
-0.3 to +6.0
-0.3 to +6.0
-0.3 to +6.0
5
-0.3 to +6.0
-55 to +150
587.5
(1)
Unit
V
V
V
mA
V
℃
mW
Datasheet
(1) Mounted on 70mm x 70mm x 1.6mm glass epoxy board. Reduce 4.7mW per 1℃ above 25℃
Recommended Operating Ratings
Parameter
IN Operating Voltage
Operating Temperature
Symbol
V
IN
Topr
Rating
Min
2.8
-40
Typ
-
-
Max
5.5
+85
Unit
V
℃
Electrical Characteristics (V
IN
= 5V, Ta= 25℃, unless otherwise specified.)
DC Characteristics
Parameter
Operating Current
Standby Current
/EN Input Voltage
/EN Input Leakage
On Resistance
Reverse Leak Current
Over-Current Threshold
Symbol
I
DD
I
STB
V
/ENH
V
/ENL
I
/EN
R
ON
I
REV
I
TH
Limit
Min
-
-
2.0
-
-1
-
-
2.1
Typ
95
0.01
-
-
0.01
90
-
2.5
Max
135
1
-
0.8
+1
115
1
3.3
Unit
µA
µA
V
V
µA
mΩ
µA
A
Condition
V
/EN
= 0V, V
OUT
= open
V
/EN
= 5V, V
OUT
= open
High input
Low input
V
/EN
= 0V or 5V
I
OUT
= 1.0A
V
OUT
= 5.5V, V
IN
= 0V
Current Load Slew rate
100A/s
V
OUT
=0V
C
L
=100µF
RMS
I
OUT
= 1mA, V
/EN
= 5V
I
/OC
= 1mA
V
/OC
= 5V
V
IN
increasing
V
IN
decreasing
Short Circuit Output Current
Output Discharge Resistance
/OC Output Low Voltage
/OC Output Leak Current
UVLO Threshold
AC Characteristics
Parameter
Output Rise Time
Output Turn-on Time
Output Fall Time
Output Turn-off Time
/OC Delay Time
I
SC
R
DISC
V
/OC
IL
/OC
V
TUVH
V
TUVL
1.4
-
-
-
2.0
1.9
1.7
75
-
0.01
2.3
2.2
2.3
150
0.4
1
2.5
2.4
A
Ω
V
µA
V
V
Symbol
t
ON1
t
ON2
t
OFF1
t
OFF2
t
/OC
Limit
Min
-
-
-
-
5
Typ
0.4
0.6
2
4
12
Max
10
20
20
40
20
Unit
ms
ms
µs
µs
ms
RL=10Ω
Condition
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BD82025FVJ
Measurement Circuit
V
IN
A
1µF
GND
IN
IN
EN(/EN)
V
EN
(V
/EN
)
OUT
OUT
OUT
/OC
V
EN
(V
/EN
)
1µF
GND
IN
IN
EN(/EN)
OUT
OUT
OUT
/OC
A
V
IN
Datasheet
V
IN
10kΩ
R
L
Operating Current
/EN, Input Voltage, Output Rise/Fall Time
V
IN
A
※
10µF
V
IN
10kΩ
1µF
A
V
IN
I
/OC
1µF
GND
IN
IN
EN(/EN)
V
EN
(V
/EN
)
OUT
OUT
OUT
/OC
C
L
I
OUT
GND
IN
IN
EN(/EN)
V
EN
(V
/EN
)
OUT
OUT
OUT
/OC
On Resistance, Over-Current Protection
※Use
capacitance of more than 10uF at
output short test by using external supply.
/OC Output Low Voltage
Figure 4. Measurement Circuit
Timing Diagram
T
OFF1
T
ON1
90%
V
OUT
10%
T
OFF2
T
ON2
V
/EN
50%
50%
10%
90%
Figure 5. Output Rise/Fall Time
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BD82025FVJ
Typical Performance Curves
Datasheet
140
Ta=25°C
120
Operating Current : I
DD
[µA]
140
V
IN
=5.0V
120
100
80
60
40
20
0
2
3
4
Supply Voltage : V
IN
[V]
Figure 6. Operating Current
EN Enable
5
6
Operating Current : I
DD
[µA]
100
80
60
40
20
0
-50
0
50
Ambient Temperature ; Ta[°C]
Figure 7. Operating Current
EN Enable
100
1.0
Ta=25°C
0.8
Standby Current : I
STB
[µA]
Standby Current : I
STB
[µA]
1.0
V
IN
=5.0V
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
2
3
4
5
6
-50
0
50
100
Supply Voltage : V
IN
[V]
Figure 8. Standby Current
EN Disable
Ambient Temperature ; Ta[°C]
Figure 9. Standby Current
EN Disable
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