MC33186VW1/R2 datasheet, PDF - EEWORLD Datasheet

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MC33186VW1/R2: Description1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR; CategoryPassive components; File Size252KB，21 Pages; ManufacturerFREESCALE (NXP)

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1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR

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Freescale Semiconductor

Technical Data

Document Number: MC33186

Rev. 6.0, 10/2006

H-Bridge Driver

The 33186 is a monolithic H-Bridge ideal for fractional horsepower

DC-motor and bi-directional thrust solenoid control. The IC

incorporates internal control logic, charge pump, gate drive, and low

DS(ON)

MOSFET output circuitry. The 33186 is able to control

continuous inductive DC load currents up to 5.0 A. Output loads can

be pulse width modulated (PWM-ed) at frequencies up to 10 kHz.

The 33186 is parametrically specified over a temperature range of

-40°C

≤

125°C, 5.0 V

≤

V+

≤

28 V. The IC can also be operated

up to 40 V with de-rating of the specifications. The IC is available in a

surface mount power package with exposed pad for heat sinking.

Features

• Overtemperature, Short-Circuit Protection, and Overvoltage

Protection against Transients up to 40 V at VBAT Typical

• RDSon = 150 mΩ for each output Transistor at 25°C

• Continuous DC Load Current 5 A (TC < 100°C)

• Output Current Limitation at typ 6,5 A +/- 20%

• Short-Circuit Shutdown for Output Currents over 8 A

• Logic Inputs TTL/CMOS Compatible

• Operating Frequency up to 20 kHz

• Undervoltage Disable Function

• Diagnostic Output, 2 Disable Input

• Coding Input for Alternative Functions

• Stable Operation with an External Capacitance of Maximum 47

µF

at VBAT

• Pb-Free Packaging Designated by Suffix Code VW

DH SUFFIX

VW SUFFIX (PB-FREE)

PLASTIC PACKAGE

98ASH70702A

20-PIN HSOP

33186

H-BRIDGE MOTOR DRIVER

ORDERING INFORMATION

Device

MC33186DH1/R2

- 40°C to 125°C

MC33186VW1/R2

20 HSOP

Temperature

Range (T

)

Package

5.0 V

33186

VBAT

OUT1

VPWR

MCU

DSP

IN1

IN2

DI1

DI2

MOTOR

OUT2

PGND

Figure 1. 33186 Simplified Block Diagram

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

PIN CONNECTIONS

Table 1. 33186 Pin Description(continued)

4, 5, 16

Name

VBAT

Description

The Pins 4 and 5 are internally connected. These Pins supply the left high side and the analog/logic

part of the device.

The Pin 16 supplies the right high side and the charge pump.

The Pins 4, 5 and 16 should be connected together on the printed circuit board with connections as

short as possible.

Supervision and protection functions

a) Supply voltage supervision

The supply voltage is supervised. If it is below its specific threshold, the power stages are switched

in tristate and the status flag is switched low.

If the supply voltage is over the specific threshold again, the power stage switches independently

into normal operation, according to the input Pins and the status flag is reset.

b) Thermal supervision

In case of overtemperature, the power stages are switched in tristate independent of the inputs

signals and the status flag is switched low.

If the level changes from high to low on DI1 (IN1) or low to high on DI2 (IN2), the output stage

switches on again if the temperature is below the specified limit.The status-flag is reset to high level

(Pin names in brackets refer to coding Pin = VCC).

Supervision of overcurrent on high sides and low sides

In case of over-current detection, the power stages are switched in tristate independent of the inputs

signals and the status flag is set.

If the level changes from high to low on DI1 (IN1) or low to high on DI2 (IN2) the output stage

switches on again and the status flag is reset to high level (Pin names in brackets refer to coding Pin

= VCC).

The output stage switches into the mode defined by the inputs Pins provided, and/if the temperature

is below the specified limits.

d) Current limiting on low sides

The maximum current which can flow under normal operating conditions is limited to Imax = 6,5 A

+/- 20%. When the maximum current value is reached, the output stages are switched tristate for a

fixed time. According to the time constant the current decreases until the next switch on occurs. See

page 8 for schematics.

Charge Pump output Pin

A filtering capacitor (up to 33 nF) can be connected between Pin 17 and Gnd. Device can operate

without external capacitor, although Pin 17 decoupling capacitor help in noise reduction and allows

the device to perform a maximum speed, timing and PWM frequency.

33186

Analog Integrated Circuit Device Data

Freescale Semiconductor

MC33186VW1/R2 Related Products

	MC33186VW1/R2	33186	33186DW	MC33186DH1/R2	33186VW
Description	1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR	1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR	1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR	1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR	1 ELEMENT, 33.4 uH, GENERAL PURPOSE INDUCTOR

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