BL8023D Datasheet PDF - BELLING

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BL8023D
BELLING

Part Number BL8023D
Description 300mA Bi-Direction Relay Driver
Page 6 Pages


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BL8023D
300mA Bi-Direction Relay Driver
DESCRIPTION
BL8023D is a bi-direction relay driver circuit, used
to control the magnetic latching relay, with large
output capability, ultra-low power consumption.
It can be widely used in smart meters and other
pulses, level control applications.
BL8023D can provide 300mA typical driving
current, which will different according to the
relay coil resistance. The input High Level
Threshold of BL8023D is 3V; it can compatible
with most single chip microcontroller.
BL8023D is available in SOT-23-6 package.
FEATURES
5 to 36V input voltage range
Low Power Consumption (IQ<1uA)
Input High Level Threshold: 3V, compatible with
most single chip microcontroller
Typical Driving Current: 300mA
Rds(on)=15ohm(Vin=12V, PMOSFET+NMOSFET)
Rds(on)=10ohm(Vin=20V, PMOSFET+NMOSFET)
Peak Driving Current: 500mA@Vin=24V
Environment Temperature: -40C~85C
SOT-23-6 package
APPLICATIONS
Smart Meter
TYPICAL APPLICATION
L
220V
AC
N
A
B
AC V+
AC V-
BRIDGE
16
2BBLLLC885002222333DC 5
34
+
Rs
Relay
ORDERING INFORMATION
Part No.
Package
BL8023DCB6TR SOT-23-6
Tape & Reel
3000/Reel
PIN OUT & MARKING
B VIN OA
654
RYYW
12
OB GND
3
A
SOT23-6
Note
RY: Product Code
YW: Date code
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BL8023D
ABSOLUTE MAXIMUM RATING
Parameter
Value
Max Input Voltage
40V
Max Operating Junction Temperature(Tj)
150C
Ambient Temperature(Ta)
-40C 125C
Package Thermal Resistance
SOT23-6
θja
θjc
190C / W
110C / W
Storage Temperature(Ts)
-40C - 150C
Lead Temperature & Time
260C, 10S
Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device
reliability.
RECOMMENDED WORK CONDITIONS
Parameter
Input Voltage Range
Operating Junction Temperature(Tj)
Value
Max.36V
-40C 85C
ELECTRICAL CHARACTERISTICS
(VDD=5V, TA=25C)
Symbol
Parameter
VIN Input Voltage Range
Iq Quiescent Current
Rdson Switch Rdson
VTH
RIN
VSD
TR
TD(ON)
TF
TDIOFF)
ON Input High Voltage
Equivalent Input Resistor
Fly-Wheel Diode Forward
Voltage
Rise Time
Turn ON Delay Time
Fall Time
Turn OFF Delay Time
Conditions
Vin=12V, RL=75ohm
Vin=30V, RL=75ohm
Vin=12V, RL=40ohm
Vin=30V, RL=40ohm
Vin=12V
Is=1A
VIN=12V, RL=75ohm
VIN=12V, RL=75ohm
VIN=12V, RL=75ohm
VIN=12V, RL=75ohm
Min Typ Max Unit
5 36 V
1 uA
12 18 ohm
10 16 ohm
12 18 ohm
10 16 ohm
3V
500 Kohm
0.8 1.5
V
40 ns
60 ns
30 ns
70 ns
LOGIC FUNCTION TABLE
Input A
1
0
0
1
Input B
0
1
0
1
Output OA
1
0
High-impedance
High-impedance
Output OB
0
1
High-impedance
High-impedance
RELAY RESPONSE
ON
OFF
Hold
Hold
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PIN DESCRIPTION
PIN #
1
2
3
4
5
6
NAME
OB
GND
A
OA
VIN
B
Output B
Ground.
Input A
Output A
Supply input voltage
Input B
ELECTRICAL PERFORMANCE
Tested under TA=25C, unless otherwise specified
Turn on delay and rise time
Ch1---Input Ch2---Output
DESCRIPTION
BL8023D
Turn off delay and fall time
Ch1---Input Ch2---Output
900
800
700
600
500
400
300
200
100
0
0.0
Forward Voltage
0.5 1.0 1.5
VSD(V)
2.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
Vth VS. Vin
5 10 15 20 25 30 35 40
Vin(V)
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BLOCK DIAGRAM
BL8023D
DETAILED DESCRIPTION
Pulse Triggering
If input is driven by square pulse, connect the inputs to the pulse source directly. Relay will operate as logic table stated
(Vin should be less than the power supply voltage, Rs is current-limiting resistor, it can be ignored in the voltage is below
20V, i.e. Rs=0).
The recommended pulse width=100ms. The length of the intervals should be longer than 100ms. These intervals include:
intervals between forward drive pulse and next backward drive pulse, intervals between forward drive pulse and next
forward drive pulse, intervals between backward drive pulse and next forward drive pulse, intervals between backward
drive pulse and next backward drive pulse.
Forward drive/OPEN
Backward drive/CLOSE
InputA
InputB
Pulse width
=100ms
interval
Forward drive/OPEN
Pulse width
=100ms
Interval
Forward drive/OPEN
InputA
InputB
Pulse width
=100ms
interval
Pulse width
=100ms
interval
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