SA01 Cirrus Logic Inc, SA01 Datasheet

IC PWM AMP 100V 20A 10-PWRDIP

SA01

Manufacturer Part Number
SA01
Description
IC PWM AMP 100V 20A 10-PWRDIP
Manufacturer
Cirrus Logic Inc
Series
Apex Precision Power™r
Datasheet
1.SA01.pdf (5 pages)

Specifications of SA01

Mfg Application Notes
SAxx App Note 34
Applications
DC Motor Controller, Brushless (BLDC)
Number Of Outputs
1
Current - Output
20A
Voltage - Supply
16 V ~ 100 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Through Hole
Package / Case
10-DIP Module
For Use With
598-1455 - EVALUATION KIT FOR SA01
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Load
-
Other names
598-1362

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FEATURES
• SINGLE SUPPLY OPERATION
• WIDE SUPPLY RANGE — 16-100V
• 20A CONTINUOUS OUTPUT
• PROGRAMMABLE CURRENT LIMIT
• SHUTDOWN CONTROL
• HERMETIC PACKAGE
• 2 IN
APPLICATIONS
• BRUSH TYPE MOTOR CONTROL
• PELTIER CONTROL
• REACTIVE LOADS
• MAGNETIC COILS (MRI)
• ACTIVE MAGNETIC BEARING
• VIBRATION CANCELLING
DESCRIPTION
can supply 2KW to the load. The full bridge output amplifier
can be operated from a single power supply over a wide range
of voltages. An error amplifier is included which can provide
gain for the velocity control loop in brush type motor control
applications. Current limit is programmable by a single resistor.
A shutdown input turns off all four drivers of the H bridge output.
A precision reference output is provided for use in offsetting
the error amplifier. The error amplifier can then be scaled for
standard input signals. The amplifier is protected from shorts to
supply or ground. The H bridge output MOSFETs are protected
from thermal overloads by directly sensing the temperature of
the die. The 10-pin hermetic power package occupies only 2
square inches of board space and is isolated.
BLOCK DIAGRAM
SA01U
GND
–IN
+IN
7.5V REF OUT
EA OUT
AS EA OUT (3) GOES MORE POSITIVE, HIGH STATE OF A OUT (6)
INCREASES AND HIGH STATE OF B OUT (9) DECREASES.
The SA01 amplifier is a pulse width modulation amplifier that
http://www.cirrus.com
3
1
2
4
5
2
FOOTPRINT
ERROR
AMP
PWM
SA01, SA01-6
P r o d u c t I n n o v a t i o n F r o m
P r o d u c t I n n o v a t i o n F r o m
Pulse Width Modulation Amplifier
SUP/
REF
SHUTDOWN
CURRENT
CONTROL
DRIVERS
OUTPUT
LIMIT
AND
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
10
7
9
6
8
+V
B OUT
A OUT
I
SHDN/
FILTER
SENSE
S
TYPICAL APPLICATION
EXTERNAL CONNECTIONS
+V
IN
.1µF
C1
.1µF
C1
EA OUT
GND
Motor Driver With Tach Feedback
REF
–IN
+IN
1
5
2
–IN
7.5V
REF
+IN
SA01
DOWN
SHUT
1
2
3
4
5
SHDN/
FILTER
EA
SA01 • SA01-6
VIEW
TOP
EA
OUT
10
C
R
FILTER
FILTER
I
3
SENSE
10
9
8
7
6
R
PWM
8
SA01 • SA01-6
LIMIT
R
APEX − SA01UREVI
7
LIMIT
10-PIN POWER DIP
+V
PACKAGE STYLE DE
S
=
GND
OUT
OUT
SHDN/
FILTER
B OUT
I
+V
A OUT
4
SENSE
I
A
B
LIMIT
.2
S
6
9
MAY 2009
M
C
R
R
FILTER
FILTER
LIMIT
T
+
–
1

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SA01 Summary of contents

Page 1

... MAGNETIC COILS (MRI) • ACTIVE MAGNETIC BEARING • VIBRATION CANCELLING DESCRIPTION The SA01 amplifier is a pulse width modulation amplifier that can supply 2KW to the load. The full bridge output amplifier can be operated from a single power supply over a wide range of voltages. An error amplifier is included which can provide gain for the velocity control loop in brush type motor control applications ...

Page 2

... Full temperature range specifications apply to the operating case temperature range as specified under THERMAL. For the SA01 these specifications are guaranteed but not tested. For the SA01-6 these specifications are tested over the SA01-6 operating case temperature range. The SA01 is constructed from MOSFET transistors. ESD handling procedures must be observed. ...

Page 3

... JUNCTION TEMPERATURE, T (°C) J NORMALIZED REFERENCE DRIFT 1.0004 1.0002 1.0000 0.9998 0.9996 –50 – 100 125 CASE TEMPERATURE, T (°C) C SA01 • SA01-6 VOLTAGE DROP 9 CASE TEMP. 60°C 8 CASE TEMP. 85° CASE TEMP. 110° CASE TEMP. 35° OUTPUT CURRENT, (A) ...

Page 4

... SA01 • SA01-6 GENERAL Please read Application Note 30 on "PWM Basics". Refer to Application Note 1 "General Operating Considerations" for helpful information regarding power supplies, heat sinking and mounting. Visit www.Cirrus.com for design tools that help automate pwm filter design; heat sink selection; Apex Precision Power’ ...

Page 5

... Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, Apex Precision Power, Apex and the Apex Precision Power logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners. SA01U SA01 • SA01-6 5 ...

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