M54679FP データシートの表示（PDF） - Renesas Electronics

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M54679FP

2-Phase Stepper Motor Driver

Renesas Electronics 

M54679FP

Electrical characteristics

Control Circuit

(Ta = 25°C, VCC = 5.0V, VM = 24V unless otherwise noted.)

Limits

Parameter

Symbol Min. Typ. Max. Unit Conditions

Supply current

ICC1

39 56 73

Stby = H, Ph*A = H, Ph*B = L (Bridge ON)

ICC2

20 27 40

mA Stby = H, Ph*A = Ph*B (Bridge OFF)

ICC3

2.0 4.0 6.0

Stby = L (Standby condition)

Logic input voltage

Vlogic H 2.4  Vcc

V

(Ph, I1, I0, Stby terminals) Vlogic L 0

 0.6

Phase terminal input current I(Ph) H 



10

µA Vin = 5V

I(Ph) L –20 –3.0 

Vin = 0V

I0, I1 terminals input current I(I0, I1) H 



10

µA Vin = 5V

I(I0, I1) L –400 –300 

Vin = 0V

Standby terminal input

current

I(Stby) H 



10

I(Stby) L –400 –300 5.0

µA Vin = 5V

Vin = 0V

Current sensing

I(S)

Comparators input current

–20 –3.0 

µA S1 or S2 terminals input current

(S1 or S2 = 0V, Vref = 5V).

Current sensing

Comparators input voltage

sphere

V(S)

0



VCH(H) V

S1 or S2 terminal input voltage sphere

Vref input current

I(Vref)



500 650

µA Input current of Vref

(Vref = 5V, I0 = I1 = 0V)

Vref input voltage sphere

V(Vref) 0

 Vcc

V

Oscillation frequency of Fref FC

20 30 40

kHz C = 390pF, Fref terminal oscillation

Voltage stabilizer output

Vreg

3.35 3.50 3.65

V

Iout = -0.1mA – +1mA

Current sensing

Comparators threshold

voltage

VCH(H) 475 500 525

VCH(M) 325 350 375

VCH(L) 139 155 171

mV I0 = L, I1 = L, Vref = 5V (Vref/10*100%)

mV I0 = H, I1 = L, Vref = 5V (Vref/10*70%)

mV I0 = L, I1 = H, Vref = 5V (Vref/10*33%)

Output Circuit

Parameter

Output saturation voltage

Output leakage current

VF of flywheel diode (Top)

VF of flywheel diode (Bottom)

Turn ON delay of output

Turn OFF delay of output

Symbol

Vsat

Ileak

VF(H)

VF(L)

tdon

tdoff

(Ta = 25°C, VCC = 5.0V, VM = 24V unless otherwise noted.)

Limits

Min. Typ. Max. Unit Conditions

 1.6 2.2 V

Top and Bottom at Load current 0.6A.

–100  +100 µA

 1.7 2.3 V

If = 0.6A

 1.1 1.5 V

If = 0.6A

 0.5 2.0 µS Time until output become ON since S > Vref

 2.0 3.5 µS Time until output become OFF since S < Vref

Rev.1.0, Sep.19.2003, page 5 of 12

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