BD6395FP-E2 datasheet, PDF - EEWORLD Datasheet

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BD6395FP-E2: DescriptionMotor / Motion / Ignition Controllers & Drivers Standard 36V Series Stepping Driver; CategoryOther integrated circuit (IC) The signal circuit; File Size378KB，12 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BD6395FP-E2 Overview

Motor / Motion / Ignition Controllers & Drivers Standard 36V Series Stepping Driver

BD6395FP-E2 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	ROHM Semiconductor
Parts packaging code	SOIC
package instruction	SSOP, SOP32,.3,32
Contacts	25
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	9 weeks
Analog Integrated Circuits - Other Types	STEPPER MOTOR CONTROLLER
JESD-30 code	R-PDSO-G25
length	13.6 mm
Number of functions	1
Number of terminals	25
Maximum operating temperature	75 °C
Minimum operating temperature	-25 °C
Maximum output current	1.5 A
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	SOP32,.3,32
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	24 V
Certification status	Not Qualified
Maximum supply current (Isup)	10 mA
Maximum supply voltage (Vsup)	28 V
Minimum supply voltage (Vsup)	16 V
Nominal supply voltage (Vsup)	24 V
surface mount	YES
technology	BIPOLAR
Temperature level	COMMERCIAL EXTENDED
Terminal form	GULL WING
Terminal pitch	0.8 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.4 mm
Base Number Matches	1

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Stepping Motor Driver Series

Standard 36V

Stepping Motor Drivers

BD6393FP, BD6395FP

No.12009EAT05

●Description

BD6393FP,BD6395FP are the simple type that provides the minimum function for driving stepping motor and various

protection circuits.

As for its basic function, it is a low power consumption bipolar PWM constant current-drive driver with power upply’s rated

voltage of 36V and rated output current of 1.2A, 1.5A. There are excitation modes of FULL STEP & HALF STEP &,

QUARTER STEP mode. This series contributes to reduction of mounting area, cost down, safety design.

●Feature

1) Power supply: one system drive (rated voltage of 36V)

2) Rated output current: 0.8A, 1.2A, 1.5A

3) Low ON resistance DMOS output

4) Parallel IN drive mode

5) PWM constant current control (self oscillation)

6) Built-in spike noise cancel function (external noise filter is unnecessary)

7) FULL STEP, HALF STEP, QUARTER STEP

8) Power save function

9) Built-in logic input pull-down resistor

10) Power-on reset function

11) Thermal shutdown circuit (TSD)

12) Over current protection circuit (OCP)

13) Under voltage lock out circuit (UVLO)

14) Over voltage lock out circuit (OVLO)

15) Malfunction prevention at the time of no applied power supply (Ghost Supply Prevention)

16) Electrostatic discharge: 4kV (HBM specification)

17) FIN heat-radiating type HSOP package (BD6393FP/BD6395FP)

18) Pin-compatible line-up (BD6393FP/BD6395FP)

●Application

Laser beam printer, Scanner, Photo printer, FAX, Ink jet printer, Mini printer, Sewing machine, Toy, and Robot etc.

www.rohm.com

1/8

2012.02 - Rev.A

BD6393FP, BD6395FP

Technical Note

●Points

to notice for terminal description

○PS／Power

save terminal

PS can make circuit standby state and make motor output OPEN. Please be careful because there is a delay of

40μs(max.) before it is returned from standby state to normal state and the motor output becomes ACTIVE.

State

Standby state (RESET)

ACTIVE

○PHASE1,PHASE2／Logic

input terminal

These terminals decide output state.

PHASEX

OUTXA

OUTXB

○I01,I02,I11,I12／Logic

input terminal for DAC

These terminals decide internal DAC output voltage for current limit.

Output current

I0X

I1X

level(%)

(I0X,I1X)=(H,H) : motor output are open.

100

●Protection

Circuits

○Thermal

Shutdown (TSD)

This IC has a built-in thermal shutdown circuit for thermal protection. When the IC’s chip temperature rises above

175℃ (Typ.), the motor output becomes OPEN. Also, when the temperature returns to under 150℃ (Typ.), it

automatically returns to normal operation. However, even when TSD is in operation, if heat is continued to be added

externally, heat overdrive can lead to destruction.

○Over

Current Protection (OCP)

This IC has a built in over current protection circuit as a provision against destruction when the motor outputs are

shorted each other or Vcc-motor output or motor output-GND is shorted. This circuit latches the motor output to OPEN

condition when the regulated threshold current flows for 4μs (Typ.). It returns with power reactivation or a reset of the

PS terminal. The over current protection circuit’s only aim is to prevent the destruction of the IC from irregular situations

such as motor output shorts, and is not meant to be used as protection or security for the set. Therefore, sets should

not be designed to take into account this circuit’s functions. After OCP operating, if irregular situations continues and

the return by power reactivation or a reset of the PS terminal is carried out repeatly, then OCP operates repeatly and

the IC may generate heat or otherwise deteriorate. When the L value of the wiring is great due to the wiring being long,

after the over current has flowed and the output terminal voltage jumps up and the absolute maximum values may be

exceeded and as a result, there is a possibility of destruction. Also, when current which is over the output current rating

and under the OCP detection current flows, the IC can heat up to over T

jmax

=150℃ and can deteriorate, so current

which exceeds the output rating should not be applied.

○Under

Voltage Lock Out (UVLO)

This IC has a built-in under voltage lock out function to prevent false operation such as IC output during power supply

under voltage. When the applied voltage to the Vcc terminal goes under 11V (Typ.), the motor output is set to OPEN.

This switching voltage has a 1V (Typ.) hysteresis to prevent false operation by noise etc. Please be aware that this

circuit does not operate during power save mode.

○Over

Voltage Lock Out (OVLO)

This IC has a built-in over voltage lock out function to protect the IC output and the motor during power supply over

voltage. When the applied voltage to the VCC terminal goes over 33V (Typ.), the motor output is set to OPEN. This

switching voltage has a 1V (Typ.) hysteresis and a 4μs (Typ.) mask time to prevent false operation by noise etc.

Although this over voltage locked out circuit is built-in, there is a possibility of destruction if the absolute maximum

value for power supply voltage is exceeded, therefore the absolute maximum value should not be exceeded. Please be

aware that this circuit does not operate during power save mode.

○False

operation prevention function in no power supply (Ghost Supply Prevention)

If a logic control signal is input when there is no power supplied to this IC, there is a function which prevents the false

operation by voltage supplied via the electrostatic destruction prevention diode from the logic control input terminal to

the Vcc, to this IC or to another IC’s power supply. Therefore, there is no malfunction of the circuit even when voltage is

supplied to the logic control input terminal while there is no power supply.

www.rohm.com

4/8

2012.02 - Rev.A

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