BD8203EFV-E2(2010) データシートの表示（PDF） - ROHM Semiconductor
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BD8203EFV-E2 Datasheet PDF : 22 Pages
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BD8203EFV
Technical Note
●Functional Description
Table for operation (PREVCC=PVCC1=PVCC2=8.0V,REGVARVCC=5.0V,VCO=1.65V)
Input
Output
REGRST MUTE123 MUTE4 FWD RVS
REG5
REGVAR
Operational
amplifier
Vo1~Vo3
Low
-
-
-
- STANDBY STANDBY STANDBY STANDBY
Vo4
STANDBY
Vo5
STANDBY
High
Low
Low
-
-
ON
ON
ON
OFF
OFF
High
High
Low
-
-
ON
ON
ON
ON
OFF
High
Low
High
-
-
ON
ON
ON
OFF
ON
High
High
High
-
-
ON
ON
ON
ON
ON
High
-
-
Low Low
ON
ON
ON
OFF
High
-
-
High Low
ON
ON
ON
Forward
High
-
-
Low High
ON
ON
ON
Reverse
High
-
-
High High
ON
ON
ON
Brake
①BTL driver control
BTL driver's ON/OFF can control with MUTE123 and MUTE4 terminal.
REGRST
Input
MUTE123
MUTE4
Output mode
Vo1(FCS), Vo2(TRK), Vo3(SLD)
Low
-
-
STANDBY
HI-Z
High
Low
Low
ALL OFF
HI-Z(M) *1
High
High
Low
FCS, TRK, SLD,
ON
High
Low
High
SPDL ON
HI-Z(M) *1
High
High
High
ALL ON
ON
*1 Vo1+ = Vo1- = PVCC1/2 V (typ),Vo2+ = Vo2- = PVCC1/2 [V] (typ)
Vo3+ = Vo3- = (PVCC2-0.7)/2 V (typ),
Vo4+ = Vo4- = [ [(PVCC2-0.7)/2 ] ×15.6 + VCO × 20 ] / (15.6 + 20 ) [V] (typ) at Hi-Z(M).
(Example) Vo4+ = Vo4- ≒ 2.53 [V](typ) at PVCC2=8V,VCO=1.65V
Vo4(SPDL)
HI-Z
HI-Z(M) *1
HI-Z(M) *1
ON
ON
② Loading driver
Only the loading can be independently operated with VCTL, FWD, and RVS terminal.
(ON/OFF by the function of MUTE123 and MUTE4 terminal is not controlled.)
It operates according to the truth table below.
REGRST
Input
VCTL(18pin) FWD(19pin)
RVS(20pin)
Output mode
Voltage between
outputs
Low
-
-
-
STANDBY
0
High
*2
L
L
OFF
0
High
*2
H
L
Forward
GVLD×VCTL
High
*2
L
H
Reverse
GVLD×VCTL
High
*2
H
H
Brake
0
*2 VCTL(18pin) is an arbitrary value of 0- REG5 (= 5.0V( typ)).
*3 Vo5+= Vo5-= (PVCC2-0.7)/2V (typ) at Hi-Z(M).
*4 Vo5+ = Vo5- = (PVCC2-0.7)/2V (typ) at M.
Vo5+(14pin)
Hi-Z
Hi-Z(M) *3
H
L
M *4
Vo5-(15pin)
Hi-Z
Hi-Z(M) *3
L
H
M *4
Vo5+, Vo5- [V]
PVCC2
PVCC2-VOHLD
Vo5+
1
―
(PVCC2-0.7)V
2
3V
GVLD×VCTL
Vo5+, Vo5- [V]
PVCC2
PVCC2-VOHLD
Vo5-
1
―2 (PVCC2-0.7)V
3V
GVLD×VCTL
VOLLD
0
Vo5-
1V
PVCC2 VCTL [V]
When Forward mode is set
VOLLD
0
Vo5+
1V
When Reverse mode is set
PVCC2
VCTL [V]
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9/21
2010.02 - Rev.A
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