TMC603A：高效能三相电机驱动器，集成高精度电流传感器

无刷电机驱动IC

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TMC603A DATA SHEET (V. 1.16 / 2010-May-14) 8

5 TMC603 functional blocks

5.1 Block diagram and pin description

SWOUT

HS-drive

VCP

LS-drive

VLS

BH1

HS1

LS1

BM1

1 of 3 shown

linear

regulator

5VOUT

100nF

VCC

GND

220R

100µ

VCP

RSLP

BAV99 (70V)

BAS40-04W (40V)

SS16

TP0610K

or BSS84

(opt. BC857)

12V step

down

regulator

VLS

break

before

make

logic

GNDP

slope

control

slope HS

slope LS

opt. for high

QGD FETs :

MSS1P3 /

ZHCS1000

Gate off detection

BL1

INV_BL

BBM_EN

/ERR_OUT

set

reset

error logic

short to GND

1,2,3

CLR_ERR

undervoltage

VLS, VCP

current

sense LS

short to

GND

detection

RS2G

short to GND 1

BM1

BM1 track & hold stage

SAMPLE1

CUR1

BRIDGE

CURRENT

MEASUREMENT

Motor coil

output

switched capacitor filter

SENSORLESS

COMMUTATION

DRIVER

SECTION

BM1

BM2

BM3

SCCLK

COSC

SENSE_HI

hall sensor

emulation

FILT1_RS1

FILT2_RS2

FILT3_RS3

test

logic

ENRS_TEST

ENABLE

1 of 3 power MOS half

bridges

VCC

signed current,

centered at 1/3 VCC

automatic

sample

point delay

SP_SUP

100n

(2x)

220n

OSC

: 470p ->100kHz

SLP

: 100k -> 100mA

SUP

: 1n -> 90µs

S2G

: 470k -> 1000ns

100n

(2x)

Provide sufficient filtering

capacity near bridge

transistors (electrolyt

capacitors and ceramic

capacitors).

: 220µH for 100kHz

amplification

4.5x or 18x

+10V

charge pump

5V supply

12V supply

(150mA with

sel. transistor)

4µ7

Tantal 25V

220n

16V

Zener 12V

BZT52B12-V/

BZV55C12

RS2G, RSLP and BMx: Use

short trace and avoid stray

capacitance to switching signals.

Place resistors near pin.

TMC603A

GND

DIE PAD

RS1

ENRS

figure 3: application diagram

The application diagram shows the basic building blocks of the IC and the connections to the power

bridge transistors, as well as the power supply. The connection of the digital and analog I/O lines to

the microcontroller is highly specific to the microcontroller model used.

更多详情联系：13812617052 15806250091

Sunny_8409@sina.com

QQ:2472266802

TMC603A DATA SHEET (V. 1.16 / 2010-May-14) 9

Number

Type

Function

VLS

1, 44

Low side driver supply voltage for driving low side gates

GNDP

2, 40, 52

Power GND for MOSFET drivers, connect directly to GND

Motor and MOSFET bridge supply voltage

GND

4, 36

Digital and analog low power GND, connect directly to GND

RS2G

AI 5V

Short to GND control resistor. Controls delay time for short to GND

test

6, 7, 8

DO 5V

hallFX™ outputs for back EMF based hall sensor emulation

FILTx_

RSx

9, 10, 11

AI 5V

AO 5V

Output of internal switched capacitor filter or input for external sense

resistor (select using pin ENRS_TEST)

COSC

A 5V

Oscillator capacitor for step down regulator

SCCLK

DI 5V

Switched capacitor filter clock input for hallFX™ filters.

BHx

14, 18,

DI 5V

High side driver control signal: A positive level switches on the high

side

BLx

15, 19,

DI 5V

Low side driver control signal: Polarity can be reversed via INV_BL

SAMPLEx

16, 20,

DI 5V

Optional external control for current measurement sample/hold

stage. Set to positive level, if unused

CURx

17, 21,

AO 5V

Output of current measurement amplifier

5VOUT

Output of internal 5V linear regulator. Provided for VCC supply

SP_SUP

A 5V

An external capacitor on this pin controls the commutation spike

suppression time for hallFX™.

VCC

+5V supply input for digital I/Os and analog circuitry

SENSE_HI

DI 5V

Switches current amplifiers to high sensitivity

BBM_EN

DI 5V

Enables internal break-before-make circuitry

INV_BL

DI 5V

Allows inversion of BLx input active level (low: BLx is active high)

ENABLE

DI 5V

Enables the power drivers (low: all MOSFETs become actively

switched off)

/ERR_OUT

DO 5V

Error output (open drain). Signals undervoltage or overcurrent. Tie

to ENABLE for direct self protection of the driver

CLR_ERR

DI 5V

Reset of error flip-flop (active high). Clears error condition

RSLP

AI 5V

Slope control resistor. Sets output current for MOSFET drivers

SWOUT

Switch regulator transistor output

ENRS_

TEST

DI 5V

O 12V

Enables sense resistor inputs rather than R

DSON

measurement. Test

multiplexer output

VCP

Charge pump supply voltage. Provides high side driver supply

LSx

41, 45,

O 12V

Low side MOSFET driver output

BMx

42, 46,

I (VM)

Sensing input for bridge outputs. Used for MOSFET control and

current measurement.

HSx

43, 47,

(VCP)

High side MOSFET driver output

Exposed

die pad

GND

Connect the exposed die pad to a GND plane. It is used for cooling

of the IC and may either be left open or be connected to GND.

更多详情联系：13812617052 15806250091

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QQ:2472266802

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TMC603A：高效能三相电机驱动器，集成高精度电流传感器

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