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PDF BD63035EFV-M Data sheet ( Hoja de datos )
| Número de pieza | BD63035EFV-M | |
| Descripción | Automotive Three Phase Brushless Motor Driver | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Automotive
Three Phase Brushless Motor Driver
BD63035EFV-M
General Description
BD63035EFV-M is a three phase sinusoidal brushless
motor driver. The rating of the power supply is 36V and
that of current rating is 1.5A (peak current, 2A). PWM
driving signals are generated by the three hall sensors.
Input DC voltage signal can control the rotation speed,
also, you can control by the power voltage. As the
various control circuit and the protection circuit are
built-in, this IC can fit the various applications. It can be
used for the small diameter motor module because of
the small package.
Features
AEC-Q100 Qulified(Note 1)
Sinusoidal drive
Low ON Resistors DMOS Output (Pch / Nch)
PWM Output
FG Output (3FG)
Built-in Current Limit Circuit (CL)
Built-in Thermal Shut Down Circuit (TSD)
Built-in Over Current Protection Circuit (OCP)
Built-in Under Voltage Lock Out Circuit (UVLO)
Built-in Over Voltage Lock Out Circuit (OVLO)
Built-in Motor Lock Protection Circuit,
Automatic Restart type (MLP)
Built-in HALL error Protection Circuit (HALLERR)
(Note1: Grade 2)
Key Specifications
Power supply voltage rating:
36V(25C°)
Output Continuous current rating:
Output Peak(Note 1) current rating:
1.5A
2A(Note 2)
Operating temperature range: -40°C to +105°C
Current limit detect voltage:
0.2V±30%
Output ON Resistors (Total):
0.6Ω(Typ)
UVLO voltage:
6V(Typ)
(Note 2: Pulse width tw≤1ms, duty=20% pulse)
Package
HTSSOP-B20
W(Typ) x D(Typ) x H(Max)
6.50mm x 6.40mm x 1.00mm
Applications
Automotive Seat Fan etc.
Typical Application Circuit(s)
VREG 10
0.1µF
VREG
VREG
HUP
HU
0.01µF
4
HUN 5
VREG
HVP 6
HV
0.01µF
HVN
7
VREG
LOGIC
HW
HWP
0.01µF
HWN
8
9
VREG
VREG
TEST1 13 VREG
Internal
Reg
6
4
SSB 15
VREG
TEST2 17
DCIN 11
VREG
VREG
A/D
OSC
PRE
DRIVER
VREG
VREG
VREG
TSD, OCP
UVLO, OVLO
VREG
VREG
VCC
18
10µF
19 U
20 V
M
1W
2 RNF
3 RCL
16 FGO
14 LPE
GND 12
Figure 1. Application Circuit
〇Product structure : Silicon monolithic integrated circuit
www.rohm.co.jp
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
〇This product has no designed protection against radioactive rays
1/19
TSZ02201-0P1P0BE01560-1-2
30.Jun.2016 Rev.001
1 page  
BD63035EFV-M
Datasheet
Description of Block(s)
(1) Regulator Output Terminal (VREG)
This is the terminal regulated 5V (Typ). Please set the capacitors of 0.1µF to 1µF. If using VREG for the bias power
supply for HALL elements, please don’t exceed the ratings of VREG current.
(2) Controlling Rotation Speed Input Terminal (DCIN)
Rotation Speed can be controlled by inputting DC signal into DCIN, by changing the PWM duty of driver output. If
VCC is used for controlling the rotation speed, please set DCIN is VREG. When DCIN≤1V (Typ), all of the driver
outputs are controlled to “L”.
100％
01
4 DCIN〔V〕
Figure 4. DCIN voltage vs rotation speed
The voltage of DCIN is input into the LOGIC circuit through the A/D inside IC. It sets the duty and makes the signals
of driver outputs demanding DCIN voltage. A/D samples DCIN voltage repeatedly and update the set point. The set
point is updated when it changes over ±1LSB from the previous point and when the next set point is in ±1LSB of
itself three times.(The typical time is 1ms(Typ)). Only the setting point of initial value is updated by the first sampling.
The A/D has 8 bit digital value and the power supply is VREG. 1LSB is about 19.5mV (5V/256,8bit). If VREG
fluctuates, the rotation speed fluctuates, too. So please stabilize VREG. It is better that DCIN is inputted the voltage
divider of VREG.
0xFF
+1LSB
-1LSB
0x00
1ms
t1 t2 t3 t4 t5 t6 t7 t8 t9 t10
Setting initial value
Update
Not to update
+1LSB
-1LSB
time [ms]
Figure 5. A/D sampling operation
www.rohm.co.jp
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/19
TSZ02201-0P1P0BE01560-1-2
30.Jun.2016 Rev.001
5 Page 
BD63035EFV-M
Timing Chart
Datasheet
Figure 7. Timing Chart
www.rohm.co.jp
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/19
TSZ02201-0P1P0BE01560-1-2
30.Jun.2016 Rev.001
11 Page | ||
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