Apex SA60 Datasheet

H-BRIDGE MOTOR DRIVER/AMPLIFIER

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ANALOG

GND

CF

NC

Vcc

+Vs

ANALOG

INPUT

POWER

GND

11

12

DISABLE

ISENSE A

A OUT

B OUT

ISENSE B

PWM

INPUT

*

*

*

*

*

Protection diodes are recommended for
applications where +Vs exceeds 50V.

Required RC network. See paragraph on
transient supression.

‡

‡

‡

MICROTECHNOLOGY

HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX [phone]

FEATURES

• LOW COST COMPLETE H-BRIDGE

• SELF-CONTAINED SMART LOWSIDE/HIGHSIDE DRIVE
CIRCUITRY

• WIDE SUPPLY RANGE: UP TO 80V

• 10A CONTINUOUS OUTPUT

• ISOLATED CASE ALLOWS DIRECT HEATSINKING

• HIGH EFFICIENCY: UP TO 97%

• FOUR QUADRANT OPERATION, TORQUE
CONTROL CAPABILITY

• INTERNAL/PROGRAMMABLE PWM FREQUENCY
GENERATION

SA60

APPLICATIONS

• BRUSH TYPE MOTOR CONTROL

• CLASS D SWITCHMODE AMPLIFIER

• REACTIVE LOADS

• MAGNETIC COILS (MRI)

• ACTIVE MAGNETIC BEARING

• VIBRATION CANCELLING

DESCRIPTION

The SA60 is a pulse width modulation amplifier that can

supply 10A 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 PWM circuitry
is internal as well, leaving the user to only provide an analog
signal for the motor speed/direction, or audio signal for
switchmode audio amplification. The internal PWM frequency
can be programmed by an external integrator capacitor. Alter­natively, the user may provide an external TTL-compatible
PWM signal for simultaneous amplitude and direction control
for four quadrant mode.

BLOCK DIAGRAM

DISABLE

ANALOG IN

Cf/PWM IN

3

4

2

H-Bridge

Drive

10

11

9

+V

s

B OUT
A OUT

TYPICAL APPLICATION

11

9

SA60

4
3

2

8

12

A wide variety of loads can be driven in either the voltage
mode or the current mode. The most common applications use
three external blocks: a low pass filter converting pulse width
data to an analog output, a difference amplifier to monitor
voltage or current and an error amplifier. Filter inductors must
be suitable for square waves at the switching frequency
(laminated steel is generally not acceptable). Filter capacitors
must be low ESR and rated for the expected ripple current. A
difference amplifier with gain of less than one translates the
differential output voltage to a single feedback voltage. Dashed
line connections and a higher gain difference amplifier would
be used for current control. The error amplifier integrates the
difference between the input and feedback voltages to close
the loop.

LOAD

EXTERNAL CONNECTIONS Package: SIP03

2

6

555

8

4

7

49K

2.58K

1

1

7

V

cc

ANALOG GND

APEX MICROTECHNOLOGY CORPORATION • TELEPHONE [phone] • FAX [phone] • ORDERS [phone] • EMAIL [e-mail]

8

12

6

A

I

sense

I

B

sense

POWER
GND

SA60

ABSOLUTE MAXIMUM RATINGS

SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

SPECIFICATIONS

PARAMETER TEST CONDITIONS
INPUT

ANALOG INPUT VOLTAGES Vcc = 12V

A, B OUT = 50% Duty Cycle 1/2VCC Vdc
A OUT = 100% Duty Cycle High 1/3VCC Vdc
B OUT = 100% Duty Cycle High 2/3VCC Vdc

PWM INPUT
PWM PULSE LOW VOLTAGE 0 0.8 Vdc
PWM PULSE HIGH VOLTAGE 2.7 5.0 Vdc
PWM FREQUENCY 45 250 KHz
DISABLE ON 2.7 Vcc Vdc
DISABLE OFF 0 0.8 Vdc

OUTPUT

Vds (ON) VOLTAGE, each MOSFET Ids = 10A 1.7 2.5 Vdc
TOTAL Ron, both MOSFETs .45 Ω
EFFICIENCY, 10A OUTPUT +VS = 80V 91 %
CURRENT, continuous 10 A
CURRENT, peak t = 100 msec 15 A
SWITCHING FREQUENCY Cf = 270 pf 45 KHz
DEAD TIME 90 nS

SUPPLY VOLTAGE, +V
OUTPUT CURRENT, peak 15A
LOGIC SUPPLY VOLTAGE, Vcc 16V
POWER DISSIPATION, internal 156W
TEMPERATURE, pin solder - 10s 300°C
TEMPERATURE, junction
TEMPERATURE, storage –65 to +150°C
OPERATING TEMPERATURE RANGE, case –25 to +85°C

2

S

3

MIN TYP MAX UNITS

80V

1

150°C

POWER SUPPLY

+VS VOLTAGE +VS Current = Load Current 80 Vdc
Vcc VOLTAGE 9.5 12 16 Vdc
Vcc CURRENT Vcc = 12Vdc 28 36 mA
+VS CURRENT Switching, no load, VS = 50V 5 mA

THERMAL

RESISTANCE, junction to case Full temp range, for each transistor 1.6 °C/W
RESISTANCE, junction to air Full temperature range 30 °C/W
TEMPERATURE RANGE, case –25 +85 °C

NOTES: 1. Each of the two active output transistors can dissipate 78W.

CAUTION

3

2. Unless otherwise noted: TC = 25°C, Vcc = 12Vdc.

3. Long term operation at the maximum junction temperature will result in reduced product life. Derate internal power dissipation to
achieve high MTTF. For guidance, refer to the heatsink data sheet.

The SA60 is constructed from MOSFET transistors. ESD handling procedures must be observed.
The exposed substrate contains beryllia (BeO). Do not crush, machine, or subject to temperatures in excess of 850°C to

avoid generating toxic fumes.

APEX MICROTECHNOLOGY CORPORATION • 5980 NORTH SHANNON ROAD • TUCSON, ARIZONA 85741 • USA • APPLICATIONS HOTLINE: [phone]