MC33HB2001FK datasheet(11/48 Pages) NXP

Il numero della parte	MC33HB2001FK

Spiegazioni elettronici	10 A H-Bridge, SPI programmable brushed DC motor driver

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NXP Semiconductors

MC33HB2001

10 A H-Bridge, SPI programmable brushed DC motor driver

MC33HB2001

All information provided in this document is subject to legal disclaimers.

Data sheet: Advance information

Rev. 6.0 — 3 May 2016

11 / 48

lower the voltage drop from battery to VPWR pins. The CCP pin can be used to bias the

gate of an N-channel FET, provided the bias current requirement is less than 20 μA. In

Figure 22, the NPN transistor is used for fast response of the N-Channel FET during turn-

off.

8.3.2 Digital I/Os characteristics

Table 7. Digital I/Os characteristics

VPWR = 5.0 V to 28 V, TJ = −40 °C to 150 °C, unless otherwise specified.

Symbol

Parameter

Min.

Max.

Unit

DIGITAL INPUTS

VIH_X

Input high-voltage

2.0

—

V

VIL_X

Input low-voltage

—

0.8

V

VHYS_X

Input voltage threshold hysteresis

100

—

mV

RPD_X

Input pull-down resistance—MOSI, SCLK, ENBL, IN1, IN2

40

175

kΩ

RPU_X

DIS, CS_B Input pull-up resistance to 5.0 V

40

175

kΩ

CIN

Input capacitance

—

12

pF

DIGITAL OUTPUTS

VOH_X

MISO output high-voltage, with −1.0 mA

0.8 × VDDQ

—

V

VOL_X

MISO output low-voltage, with 1.0 mA

—

0.4

V

IMISO_LK

MISO tri-state leakage current

−10

10

μA

VOL_FS_B

FS_B low-voltage, with 1.0 mA

—

0.4

V

RPU_FS_B

FS_B output pull-up resistance to 5.0 V

100

500

kΩ

9 General IC functional description and application information

9.1 Introduction

The 33HB2001 is a programmable H-Bridge, power integrated circuit (IC) designed to

drive DC motors or bi-directional solenoid controlled actuators, such as throttle control or

exhaust gas recirculation actuators. It is particularly well suited for the harsh environment

found in automotive power train systems. The 33HB2001 is designed to specifically

address the ISO 26262 safety standard requirements. The key characteristic of this

versatile driver is configurability. The selectable slew rate permits the customer to choose

the slew rate needed for performance and noise suppression. The Serial Peripheral

Interface (SPI) allows the system microprocessor to clear the fault register, select a

programmable current limit, and select the slew rate.

The 33HB2001 is designed to drive a bi-directional DC motor using pulse-width

modulation (PWM) for speed and torque control. A current mirror output provides an

analog feedback signal proportional to the load current. SPI diagnostic reporting includes,

open load, short-to-battery, short-to-ground, die temperature range, overvoltage, and

undervoltage.

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