Overview
The MC33926PNBR2, produced by NXP USA Inc., is a SMARTMOS monolithic H-bridge power IC. It is primarily designed for automotive electronic throttle control but is also suitable for any low-voltage DC servo motor control application within its specified current and voltage limits. This IC meets the stringent requirements of automotive applications and is fully AEC-Q100 grade 1 qualified, ensuring high reliability and performance in demanding environments.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage Range (VPWR) | - | - | 5.0 - 28 | V |
| Peak Current Capability | - | - | 5.0 A | A |
| Internal Peak-Current Limiting | 6.5 A ±1.5 A | - | - | A |
| PWM Frequency | - | - | 20 kHz | Hz |
| Logic Compatibility | -3.0 V to 5.0 V | - | - | V |
| Package Type | - | - | 32-pin PQFN | - |
| Operating Temperature Range | -40 °C | - | 125 °C | °C |
| Sleep Mode Supply Current | - | - | 50 µA | A |
| Standby Supply Current | - | - | 20 mA | A |
Key Features
- Output current limiting via internal constant-off-time PWM current regulation
- Output short-circuit protection (short to V_PWR or ground) with latch-off
- Overtemperature detection with latch-off
- Load current feedback feature providing a proportional (0.24% of the load current) current output
- Status flag output reporting undervoltage, overcurrent, and other fault conditions
- Sleep mode with current draw < 50 µA
- All inputs have internal source/sink to define default (floating input) states
- AEC-Q100 grade 1 qualified for automotive reliability
Applications
- Automotive electronic throttle control (ETC)
- Exhaust gas recirculation (EGR) control
- Turbo flap control
- Industrial and medical pumps and motor control
- Low-voltage DC servo motor control
Q & A
- What is the primary application of the MC33926PNBR2?
The MC33926PNBR2 is primarily designed for automotive electronic throttle control. - What is the peak current capability of the MC33926PNBR2?
The MC33926PNBR2 can control inductive loads with currents up to 5.0 A peak. - What is the PWM frequency limit for the MC33926PNBR2?
The output loads can be pulse width modulated (PWM’ed) at frequencies up to 20 kHz. - Is the MC33926PNBR2 AEC-Q100 qualified?
Yes, the MC33926PNBR2 is fully AEC-Q100 grade 1 qualified. - What type of package does the MC33926PNBR2 come in?
The MC33926PNBR2 comes in a 32-pin PQFN package. - What is the operating temperature range of the MC33926PNBR2?
The operating temperature range is from -40 °C to 125 °C. - How does the MC33926PNBR2 protect against overcurrent and short circuits?
The IC features output current limiting via internal constant-off-time PWM current regulation and output short-circuit protection with latch-off. - Does the MC33926PNBR2 have a sleep mode?
Yes, the IC has a sleep mode with a current draw of less than 50 µA. - What type of logic compatibility does the MC33926PNBR2 support?
The inputs are -3.0 V to 5.0 V TTL/CMOS logic compatible. - What other applications can the MC33926PNBR2 be used for besides automotive throttle control?
Besides automotive throttle control, it can be used for exhaust gas recirculation (EGR) control, turbo flap control, and industrial and medical pumps and motor control.
