MC33094DW View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC33094DW

Ignition Control

Motorola => Freescale 

Freescale SMeCm3i3c0o94nductor, Inc.

ELECTRICAL CHARACTERISTICS (Characteristics noted under conditions 6.0 V ≤ VD = VCC ≤ 16 V,

–40°C ≤ TA ≤ 125°C, unless otherwise noted. Typical values are specified for TA = 25°C.)

Characteristic

Symbol

Min

Typ

Max

Unit

INPUTS

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Input Positive Threshold Voltage (VCC = 6.0 V, VCA = VCR = Open,

Vin(–)(th)A

50

VCS = 1.0 V, VST = 6.0 V) (Note 1)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Input Positive Threshold Voltage (VCC = 16 V, VCA = VCR = Open,

Vin(–)(th)B

50

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ VCS = 1.0 V, VST = 10 V) (Note 2)

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Input Hysteresis (VCC = 6.0 V, VCA = VCR = VCS = Open,

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ VST = 6.0 V) (Note 3)

Vin(–)(hys)A

0.6

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Input Hysteresis (VCC = 16 V, VD = 3.0 V,

VCA = VCR = VCS = Open, VST = 10 V) (Note 4)

Vin(–)(hys)B

1.6

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Input Impedance (VCC = 14 V , Vin(–) = 10 V , VD = 3.0 V,

ZI

70

54

54

0.72

2.23

94

65

%VCC

65

%VCC

1.2

V

3.2

V

250

kΩ

VCA = VCR = VCS = VST = Open) (Note 5)

NOTES: 1. Ramp up Vin(–) from 1.0 to 5.0 V in 0.1 V increments. Record Vin(–) when ICR goes positive and convert to % of VCC by dividing by VCC.

2. Ramp up Vin(–) from 3.0 to 10 V in 0.1 V increments. Record Vin(–) when ICR goes positive and convert to % of VCC by dividing by VCC.

3. Ramp up Vin(–) from Vin(–)(th)A in 0.01 V increments. Record Vin(–) when ICA goes positive. Vin(–)(hys)A = Vin(–)(th)A – (Vin(–)).

4. Ramp up Vin(–) from Vin(–)(th)B in 0.01 V increments. Record Vin(–) when ICA goes positive. Vin(–)(hys)B = Vin(–)(th)B – (Vin(–)).

5. Measure Iin(–) into Pin 7; ZI = 10 V/Iin(–).

Figure 1. Basic Timing Diagrams

Vin(-)

Run Mode (Note 1)

Vout

Vin(-)

Start Mode (Note 2)

Vout

Vin(-)

Vout

Run Mode

Stall Mode (Note 3)

NOTES: 1. The falling edge of the Vin(–) signals a charge command, while the rising edge signals a spark command.

2. During start mode, stall conditions are prevented.

3. During a stall, the coil is discharged slowly and a quick charge and spark occur on the next spark command.

MOTOROLA ANALOG IC DEVICE FDoATrAMore Information On This Product,

3

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