MTS62C19A datasheet(12/20 Pages) MICROCHIP

tên linh kiện	MTS62C19A

Giải thích chi tiết về linh kiện	Dual Full-Bridge Motor Driver

PDF	20 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

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MTS62C19A

DS22260C-page 12

 2010-2013 Microchip Technology Inc.

4.2

Stepping Examples

The MTS62C19A control modes are full-step, half-

step, modified half-step and microstepping control of

the motor, as shown in Figure 4-2.

FIGURE 4-2:

Examples of Stepping Modes Achievable with Typical Application Circuit.

4.3

PCB Design Guidelines

Unused inputs should be connected to fixed voltage

levels in order to get the highest noise immunity. Typi-

cal PCB layout guidelines for power applications

should be followed. These include separate power

ground planes, supply decoupling capacitors close to

the IC, short connections and use of maximized copper

areas to improve thermal dissipation.

Motor Current

in Phase 1

Motor Current

in Phase 2

I01

I11

PHASE1

I02

I12

PHASE2

Full-Step

Half-Step

12 3

45 6 7 8

Modified Half-Step

12 3

45 6 7 8

+500 mA

-500 mA

+500 mA

-500 mA

+333 mA

-333 mA

+167 mA

-167 mA

Micro-Stepping (1/8th)

VREF1

VREF2

1...

...32

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