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Cordless Screw driver

Cordless Screw driver

Click on the subsystems above to see detailed circuit diagrams and device recommendations.

 

Motor Control Circuit

3 Phase Motor Control

 

Recommended Microcontrollers

Description

78K0S Series (KY1+, KA1+, KB1+)

10MHz, 8-bit low pin count single voltage Flash devices

78K0 Series (KB2, KC2, KD2, KE2, KF2)

20MHz Enhanced 8-bit single voltage Flash devices with LIN and IIC interfaces

 

Recommended MOSFETS

Description

UPA1807GR-9JG-E1/E2

N Channel, Vdss = 30v Id = 12A TSSOP8

UPA1819GR-9JG-E1/E2

P Channel, Vdss = -30V Id = -12A TSSOP8

 

 

LCD Control

3 Phase Motor Control

 

3 Phase Motor Control

 

Recommended Microcontrollers

Description

78K0S Series (KY1+, KA1+, KB1+)

10MHz, 8-bit low pin count single voltage Flash devices

78K0 Series (KB2, KC2, KD2, KE2, KF2)

20MHz Enhanced 8-bit single voltage Flash devices with LIN and IIC interfaces

 

 

Battery Charging Circuit

3 Phase Motor Control

 

Recommended Microcontrollers

Description

78K0S Series (KY1+, KA1+, KB1+)

10MHz, 8-bit low pin count single voltage Flash devices

78K0 Series (KB2, KC2, KD2, KE2, KF2)

20MHz Enhanced 8-bit single voltage Flash devices with LIN and IIC interfaces

 

Recommended MOSFETS

Part number

Description

2SK2157-T1/T2

 

N Channel, Vdss = 30V Id = 5A SC-84

2SJ411

 

P Channel, Vdss = -30V Id = -5A SP-8

 



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