MAX14895EETE+

Product Overview

• Category: Integrated Circuit (IC)
• Use: Motor driver for automotive applications
• Characteristics: High efficiency, compact size, and robust performance
• Package: 16-pin TQFN package
• Essence: Provides a compact and efficient solution for driving motors in automotive systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Operating Voltage: 4.5V to 36V
• Output Current: Up to 1.7A
• Operating Temperature Range: -40°C to +125°C
• PWM Frequency: Up to 100kHz
• Protection Features: Overcurrent protection, overtemperature protection, and undervoltage lockout

Detailed Pin Configuration

1. VCP (Pin 1) - Charge pump output
2. IN1 (Pin 2) - Input 1 for motor control
3. IN2 (Pin 3) - Input 2 for motor control
4. OUT1 (Pin 4) - Output 1 for motor control
5. OUT2 (Pin 5) - Output 2 for motor control
6. GND (Pin 6) - Ground
7. VCC (Pin 7) - Supply voltage
8. PGND (Pin 8) - Power ground
9. FAULT (Pin 9) - Fault indicator
10. EN (Pin 10) - Enable pin
11. VREF (Pin 11) - Reference voltage
12. NC (Pin 12) - No connect
13. VBB (Pin 13) - Bootstrap capacitor connection
14. HB2 (Pin 14) - Half-bridge 2 output
15. HB1 (Pin 15) - Half-bridge 1 output
16. VS (Pin 16) - Sense voltage input

Functional Features

• Integrated charge pump for bootstrap operation
• Adaptive dead time control for improved efficiency
• Diagnostic features for fault detection
• Low RDS(ON) H-Bridge MOSFETs for minimal power dissipation

Advantages and Disadvantages

Advantages

• High efficiency
• Robust protection features
• Compact size
• Wide operating voltage range

Disadvantages

• Higher cost compared to traditional motor drivers
• Complex pin configuration may require careful PCB layout

Working Principles

The MAX14895EETE+ operates by utilizing its integrated H-bridge MOSFETs to drive the connected motor. The charge pump provides the necessary voltage for bootstrap operation, while the adaptive dead time control optimizes the switching of the MOSFETs for maximum efficiency. The device also incorporates diagnostic features to detect faults and protect the system.

Detailed Application Field Plans

The MAX14895EETE+ is ideally suited for various automotive applications, including: - Electric power steering systems - HVAC blowers - Engine cooling fans - Electric pumps

Detailed and Complete Alternative Models

• L298N: A popular dual H-bridge motor driver with similar functionality
• DRV8876: Another automotive motor driver with integrated protection features

In conclusion, the MAX14895EETE+ offers a high-performance motor driver solution for automotive applications, with its compact size, robust features, and wide operating range making it an ideal choice for modern vehicle systems.

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