EK-SA51 Cirrus Logic Inc, EK-SA51 Datasheet

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EK-SA51

Manufacturer Part Number
EK-SA51
Description
Evaluation Kit, SA51
Manufacturer
Cirrus Logic Inc
Series
Apex Precision Power™r
Datasheets
1.SA51.pdf (4 pages)
2.EK-SA51.pdf (1 pages)

Specifications of EK-SA51

Main Purpose
Power Management, H Bridge Driver (Internal FET)
Utilized Ic / Part
SA51
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
FEATURES
• LOW COST COMPLETE H-BRIDGE
• SELF-CONTAINED SMART LOWSIDE/HIGHSIDE DRIVE
• SINGLE SUPPLY OPERATION
• WIDE SUPPLY RANGE: UP TO 80V
• 5A CONTINUOUS OUTPUT
• HERMETIC SEALED PACKAGE
• HIGH EFFICIENCY: 95%
• FOUR QUADRANT OPERATION, TORQUE
APPLICATIONS
• BRUSH TYPE MOTOR CONTROL
• CLASS D SWITCHMODE AMPLIFIER
• REACTIVE LOADS
• MAGNETIC COILS (MRI)
• ACTIVE MAGNETIC BEARING
• VIBRATION CANCELLING
DESCRIPTION
ply 5A continuous current to the load. The full bridge amplifier
can be operated over a wide range of supply voltages. All of
the drive/control circuitry for the lowside and highside switches
are internal to the hybrid. The user provides a TTL compatible
PWM signal for simultaneous amplitude and direction control
in four quadrant mode. The internal circuitry will provide proper
deadtime protection for each half bridge. All N-channel FETs
mean the best efficiency for the size, both in terms of on-re-
sistance and switching capability. For an idle/sleep mode or
for fault protection, a TTL compatible disable pin is provided
so as to shut down all four transistors. The SA51 is packaged
in a space efficient isolated 8-pin TO-3 that can be directly
connected to a heatsink.
BLOCK DIAGRAM
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com
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CIRCUITRY
CONTROL CAPABILITY
The SA51 is a pulse width modulation amplifier that can sup-
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TYPICAL APPLICATION
EXTERNAL CONNECTIONS
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PACKAGE STYLE CE
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8-PIN TO-3
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EK-SA51 Summary of contents

Page 1

FEATURES • LOW COST COMPLETE H-BRIDGE • SELF-CONTAINED SMART LOWSIDE/HIGHSIDE DRIVE CIRCUITRY • SINGLE SUPPLY OPERATION • WIDE SUPPLY RANGE 80V • 5A ...

Page 2

... Full temperature range = 25°C, Vcc = 12Vdc. thus destroying the SA51. A well laid out PC board with low impedance copper ground plane is necessary for the SA51 to function properly. The Apex EK-SA51 evaluation board is recommended for fast and easy breadboarding of circuits using the SA51. 80V ...

Page 3

SA51 Typical performance curves with Vcc = 12V, PWM at 45kHZ and case temperature at 25°C, unless otherwise specified. �������������� �� �� �� �� �� �� ���������������������� � � �� �� �� ��� ��� ������������������� ����� � ����������������������� ��� � ...

Page 4

... 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.apexmicrotech.com for design tools that help automate pwm filter design and heat sink selection. The "Application Notes" and "Technical Seminar" sections contain a wealth of information on specifi ...

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