LB1947 Sanyo Semiconductor Corporation, LB1947 Datasheet

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LB1947

Manufacturer Part Number
LB1947
Description
PWM Current Control Type DC Motor Driver
Manufacturer
Sanyo Semiconductor Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LB1947
Manufacturer:
SANYO/三洋
Quantity:
20 000
Part Number:
LB1947-E
Manufacturer:
ON Semiconductor
Quantity:
20
Preliminary
Features
• PWM current control (fixed OFF time)
• Selectable current decay pattern (FAST, SLOW, and
• Simultaneous ON prevention function (feedthrough
• Built-in thermal shutdown circuit
• Built-in noise canceler
Specifications
Absolute Maximum Ratings at Ta = 25 C
Allowable Operating Ranges at Ta = 25 C
Maximum motor supply voltage
Output peak current
Output continuous current
Logic supply voltage
Logic input voltage range
Emitter output voltage
Reference voltage
Operating temperature
Storage temperature
Allowable power dissipation
Motor supply voltage
Logic supply voltage
Reference voltage
Ordering number : ENN*6192
MIX DECAY modes)
current prevention)
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
Parameter
Parameter
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
SANYO Electric Co.,Ltd. Semiconductor Company
V
V
Symbol
I
V
Pd max
Symbol
I
CC
BB
O
V
V
OPEAK
E
Topr
Tstg
V
V
V
REF
REF
max
max
BB
CC
IN
max
max
tw
Ta = 25 C
PWM Current Control Type DC Motor Driver
20 s
LB1947
Conditions
Conditions
Package Dimensions
unit: mm
3249-SIP13HJ
C0.7
(0.8)
1
2.0
3.4
0.5
25.6
[LB1947]
(10.0)
Ratings
Ratings
1.15
80699RM(KI)
0 to (Vcc–2)
–55 to +150
4.75 to 5.25
–0.3 to V
–0.3 to V
Monolithic Digital IC
–20 to +85
13
10 to 45
SANYO : SIP13HJ
2.0
LB1947
2.25
2.0
7.0
1.1
1.6
50
CC
CC
No. 6192-1/7
2.4
Unit
Unit
W
V
A
A
V
V
V
V
V
V
V
C
C
1.2
0.4

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LB1947 Summary of contents

Page 1

... O V max max E V REF Topr Tstg Pd max Symbol Conditions REF Monolithic Digital IC LB1947 [LB1947] 25.6 2.0 (10.0) 3.4 13 2.0 0.5 1.15 SANYO : SIP13HJ Ratings 50 2.25 2.0 7.0 –0 1.1 –0 –20 to +85 –55 to +150 1.6 Ratings 4. (Vcc–2) 80699RM(KI) No ...

Page 2

... OPEN X Except for MD pin, Low at input OPEN LB1947 = 42V 5V REF Symbol Conditions I No-load state No-load state No-load state BB OFF I wt No-load state BB V osat +1.0A sink V osat +2.0A sink V osat –1.0A source V osat –2.0A source I o1(leak sink o2(leak source 3 2.0A *1 SUS ...

Page 3

... IN1 IN2 VBB 7 VCC VREF 300 10 V REF GND LB1947 Equivalent circuit V CC 100 A 50k 40k A12583 A12584 Pin function Output pin Sense voltage control pin VI High : sense voltage is 2 REF Low : sense voltage is 1 REF ST High : circuit operation ON Low : standby mode ...

Page 4

... Block Diagram MD 12 IN1 VREF 10 GND 13 Pin Assignment 1 2 LB1947 OUTA 3 Control logic circuit Current One-shot multi- select blanking circuit time LB1947 OUTA – VBB 7 VCC Thermal shutdown circuit UVLO No. 6192-4/7 ...

Page 5

... VI 4 VREF 10 GND 13 RE Limiter current setting method IN1 IN2 ST OUT OFF – – L OFF LB1947 OUT M 3 Control logic circuit One-shot Current multi- select blanking circuit time RE) REF OUT– Mode H Reverse L Forward L Brake OFF Output OFF OFF Standby mode 24V OUT – ...

Page 6

... IN1 8 IN2 VREF 10 GND 13 IN1 IN2 ST OUT OFF – – L OFF LB1947 OUT M 3 Control logic circuit One-shot Current multi- select blanking circuit time OUT– Mode H Reverse L Forward L Brake OFF Output OFF OFF Standby mode 24V OUT – VBB 5V VCC ...

Page 7

... 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. This catalog provides information as of August, 1999. Specifications and information herein are subject to change without notice. LB1947 OUT – OUT M 3 ...

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