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BD63843EFV Datasheet, PDF (1/5 Pages) Rohm – Silicon monolithic integrated circuits
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STRUCTURE
PRODUCT SERIES
TYPE
FUNCTION
Silicon monolithic integrated circuits
Bipolar stepping motor driver
BD63843EFV
・PWM constant current controllable two H bridge driver
・Built-in translator circuit for CLK-IN control
・Full, Half, Eighth, and Sixteenth step modes
・Mix decay control
○Absolute maximum ratings(Ta=25°C)
Item
Symbol
Ratings
Unit
Supply voltage
Power dissipation
VCC1,2
-0.3~+36.0
V
1.45※1
W
Pd
4.70※2
W
Input voltage for control pin
VIN
-0.3~+7.0
V
RNF voltage
Output current
Output current(peak)※4
VRNF
IOUT
IOUTPEAK
0.7
1.0※3
1.5※3
V
A/phase
A/phase
Operating temperature range
Topr
-25~+85
°C
Storage temperature range
Tstg
-55~+150
°C
Junction temperature
Tjmax
+150
°C
※1 70mm×70mm×1.6mm glass epoxy board. Derating in done at 11.6mW/°C for operating above Ta=25°C.
※2 4-layer recommended board. Derating in done at 37.6mW/°C for operating above Ta=25°C.
※3 Do not, however exceed Pd, ASO and Tjmax=150°C.
※4 Pulse width tw≦1ms, duty 20%.
○Operating conditions (Ta=-25~+85°C)
Item
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
VCC1,2
19
24
28
V
Input voltage for control pin
VIN
0
-
5.5
V
Output current
IOUT
-
0.5
0.7※5 A/phase
※5 Do not, however exceed Pd, ASO.
This product isn’t designed for protection against radioactive rays.
REV. A