A3968SLB datasheet, PDF - EEWORLD Datasheet

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A3968SLB: DescriptionStepper Motor Controller, 0.75A, PDSO16, BATWING, PLASTIC, SOIC-16; CategoryOther integrated circuit (IC) The signal circuit; File Size147KB，12 Pages; ManufacturerSANKEN; Websitehttp://www.sanken-ele.co.jp/en/

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A3968SLB Overview

Stepper Motor Controller, 0.75A, PDSO16, BATWING, PLASTIC, SOIC-16

A3968SLB Parametric

Parameter Name	Attribute value
Maker	SANKEN
Parts packaging code	SOIC
package instruction	SOP,
Contacts	16
Reach Compliance Code	unknown
ECCN code	EAR99
Analog Integrated Circuits - Other Types	STEPPER MOTOR CONTROLLER
JESD-30 code	R-PDSO-G16
length	10.3 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-20 °C
Maximum output current	0.75 A
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Certification status	Not Qualified
Maximum seat height	2.65 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	OTHER
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	7.5 mm

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3968

A3968SLB

OUT

INPUT

GROUND

SENSE

OUT

LOAD

SUPPLY

REFERENCE

LOGIC

DUAL FULL-BRIDGE PWM

MOTOR DRIVER WITH BRAKE

The A3968SA and A3968SLB are designed to bidirectionally control two

dc motors. Each device includes two H-bridges capable of continuous output

currents of

±650

mA and operating voltages to 30 V. Motor winding current

can be controlled by the internal fixed-frequency, pulse-width modulated

(PWM), current-control circuitry. The peak load current limit is set by the

user’s selection of a reference voltage and current-sensing resistors. Except

for package style and pinout, the two devices are identical.

The fixed-frequency pulse duration is set by a user-selected external

RC timing network. The capacitor in the RC timing network also determines

a user-selectable blanking window that prevents false triggering of the PWM

current-control circuitry during switching transitions.

To reduce on-chip power dissipation, the H-bridge power outputs have

been optimized for low saturation voltages. The sink drivers feature Allegro’s

patented Satlington™ output structure. The Satlington outputs combine the

low voltage drop of a saturated transistor and the high peak current capability

of a Darlington.

For each bridge, the INPUT

and INPUT

terminals determine the load

current polarity by enabling the appropriate source and sink driver pair.

When a logic low is applied to both INPUTs of a bridge, the braking function

is enabled. In brake mode, both source drivers are turned OFF and both sink

drivers are turned ON, thereby dynamically braking the motor. When a logic

high is applied to both INPUTs of a bridge, all output drivers are disabled.

Special power-up sequencing is not required. Internal circuit protection

includes thermal shutdown with hysteresis, ground-clamp and flyback diodes,

and crossover-current protection.

The A3968SA is supplied in a 16-pin dual in-line plastic package. The

A3968SLB is supplied in a 16-lead plastic SOIC with copper heat sink tabs.

The power tab is at ground potential and needs no electrical isolation.

Data Sheet

29319.29*

OUT

INPUT

GROUND

SENSE

OUT

LOGIC

SUPPLY

REF

Dwg. PP-066

ABSOLUTE MAXIMUM RATINGS

Load Supply Voltage, V

...................

30 V

Output Current, I

OUT

(peak) ..........

750 mA

(continuous) ..............................

650 mA

Logic Supply Voltage, V

.................

7.0 V

Input Voltage, V

.....

-0.3 V to V

+ 0.3 V

Sense Voltage, V

................................

1.0 V

Package Power Dissipation (T

= 25°C), P

A3968SA ...................................

2.08 W*

A3968SLB .................................

1.87 W*

Operating Temperature Range,

...................................

-20

C to +85

Junction Temperature,

.................................................

+150

Storage Temperature Range,

.................................

-55

C to +150

Output current rating may be limited by duty

cycle, ambient temperature, and heat sinking.

Under any set of conditions, do not exceed the

specified current rating or a junction temperature

of 150°C.

* Per SEMI G42-88 Specification,

Thermal Test

Board Standardization for Measuring Junction-

to-Ambient Thermal Resistance of Semiconductor

Packages.

FEATURES

±650

mA Continuous Output Current

30 V Output Voltage Rating

Internal Fixed-Frequency PWM Current Control

Satlington™ Sink Drivers

Brake Mode

User-Selectable Blanking Window

Internal Ground-Clamp & Flyback Diodes

Internal Thermal-Shutdown Circuitry

Crossover-Current Protection and UVLO Protection

Always order by complete part number:

Part Number

A3968SA

A3968SLB

Package

16-pin DIP

16-lead batwing SOIC

θJA

60°C/W

67°C/W

θJC

38°C/W

6°C/W

θJT

A3968SLB Related Products

	A3968SLB	A3968SA
Description	Stepper Motor Controller, 0.75A, PDSO16, BATWING, PLASTIC, SOIC-16	Stepper Motor Controller, 0.75A, PDIP16, PLASTIC, DIP-16
Maker	SANKEN	SANKEN
Parts packaging code	SOIC	DIP
package instruction	SOP,	DIP,
Contacts	16	16
Reach Compliance Code	unknown	unknown
ECCN code	EAR99	EAR99
Analog Integrated Circuits - Other Types	STEPPER MOTOR CONTROLLER	STEPPER MOTOR CONTROLLER
JESD-30 code	R-PDSO-G16	R-PDIP-T16
length	10.3 mm	19.177 mm
Number of functions	1	1
Number of terminals	16	16
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-20 °C	-20 °C
Maximum output current	0.75 A	0.75 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	DIP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	IN-LINE
Certification status	Not Qualified	Not Qualified
Maximum seat height	2.65 mm	5.334 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V
Minimum supply voltage (Vsup)	4.75 V	4.75 V
Nominal supply voltage (Vsup)	5 V	5 V
surface mount	YES	NO
Temperature level	OTHER	OTHER
Terminal form	GULL WING	THROUGH-HOLE
Terminal pitch	1.27 mm	2.54 mm
Terminal location	DUAL	DUAL
width	7.5 mm	7.62 mm

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