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MC33HB2001FK Datasheet(PDF) 11 Page - NXP Semiconductors |
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MC33HB2001FK Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 48 page 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. © NXP B.V. 2016. All rights reserved 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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