lb1854m Sanyo Semiconductor Corporation, lb1854m Datasheet - Page 6

• Manufacturer Part Number: lb1854m
• Description: Three-phase Brushless Motor Driver Ic
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Pin No.
20
21
22
23
24
25
26
27
28
This catalog provides information as of November, 1997. Specifications and information herein are subject to
change without notice.
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace
equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of
which may directly or indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied
regarding its use or any infringements of intellectual property rights or other rights of third parties.
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and
distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all
damages, cost and expenses associated with such use:
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on
SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.
Symbol
FG
FG
W
W
FRC
V
V
U
U
IN
IN
IN
IN
IN
IN
IN
IN
2
1
2
1
2
1
–
+
0 V min
3.5 V max
(when V
5 V)
High: 2.3 V min
Low: 0.7 V max
1.4 V min
2.0 V max
Pin voltage
CC
2 is
Equivalent circuit
LB1854M
Motor forward/reverse control pin
Low level (0.7 V or lower): forward
High level (2.3 V or higher): reverse
W phase Hall sensor input
Logic high is the W
V phase Hall sensor input
Logic high is the V
U phase Hall sensor input
Logic high is the U
FG signal input
IN
IN
IN
1 > V
1 > U
1 > W
Function
IN
IN
IN
2 state.
2 state.
2 state.
Unit (resistance: Ω)
No. 4476-6/6