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參數資料
| 型號： | PBL3717A |
| 廠商： | 意法半導體 |
| 英文描述： | KPTC6F10-6SC |
| 中文描述： | 步進電機驅動器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 187K |
| 代理商： | PBL3717A |
PBL3717A
April1993
STEPPER MOTOR DRIVER
.
FULL STEP - HALF STEP - QUARTER STEP
OPERATINGMODE
.
BIPOLAROUTPUT CURRENT UP TO 1 A
.
FROM 10 V UP TO 46 V MOTOR SUPPLY
VOLTAGE
.
LOW SATURATION VOLTAGE WITH INTE-
GRATED BOOTSTRAP
.
BUILT IN FAST PROTECTION DIODES
.
EXTERNALLY
LEVEL
.
OUTPUT CURRENT LEVEL DIGITALLY OR
ANALOGUECONTROLLED
.
THERMAL PROTECTION WITH SOFT INTER-
VENTION
SELECTABLE
CURRENT
Powerdip 12 + 2 + 2
(PlasticPackage)
ORDER CODE :
PBL3717A
DESCRIPTION
ThePBL3717AisamonolithicICwhichcontrolsand
drives one phase of a bipolar stepper motor with
choppercontrolof thephasecurrent.Current levels
maybeselectedinthreestepsbymeansoftwologic
inputs which select one of three current compara-
tors. When bothof theseinputsare highthe device
isdisabled.Aseparatelogicinputcontrolsthedirec-
tionof current flow.
A monostable,programmedby an externalRCnet-
work, sets the current decay time.
The power section is a full H-bridge driver with four
internal clamp diodes for current recirculation. An
externalconnectiontotheloweremittersisavailable
for the insertion of a sensing resistor. Two
PBL3717As and few external components form a
completesteppermotor drive subsystem.
The raccomended operating ambient temperature
rangesis from 0 to 70
°
C.
ThePBL3717Aissuppliedina12+ 2+ 2leadPow-
erdip package.
PIN CONNECTION
(top view)
1/11
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