MAX16039LLA44+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitoring and Reset
• Characteristics: Low-power, low-voltage, small form factor
• Package: 44-pin TQFN (Thin Quad Flat No-Lead)
• Essence: Provides power supply monitoring and reset functions for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and adjustable
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, and adjustable
• Quiescent Current: 1.5µA (typical)
• Active Supply Current: 10µA (typical)

Pin Configuration

The MAX16039LLA44+T IC has a total of 44 pins. The pin configuration is as follows:

1. VCC
2. GND
3. RESET
4. MR
5. WDI
6. RSTOUT
7. NMI
8. IRQ
9. INT
10. SDA
11. SCL
12. AD0
13. AD1
14. AD2
15. AD3
16. AD4
17. AD5
18. AD6
19. AD7
20. AD8
21. AD9
22. AD10
23. AD11
24. AD12
25. AD13
26. AD14
27. AD15
28. AD16
29. AD17
30. AD18
31. AD19
32. AD20
33. AD21
34. AD22
35. AD23
36. AD24
37. AD25
38. AD26
39. AD27
40. AD28
41. AD29
42. AD30
43. AD31
44. VBAT

Functional Features

• Power supply monitoring and reset functions
• Programmable reset threshold voltage and timeout period
• Manual reset input for system control
• Non-maskable interrupt (NMI) output for critical events
• Interrupt output for general-purpose use
• I2C interface for configuration and status monitoring

Advantages and Disadvantages

Advantages: - Low-power operation, suitable for battery-powered devices - Wide supply voltage range allows compatibility with various systems - Adjustable reset threshold and timeout options provide flexibility - Small form factor package saves board space

Disadvantages: - Limited number of I/O pins may restrict usage in complex systems - Lack of built-in protection features against voltage spikes or transients

Working Principles

The MAX16039LLA44+T is designed to monitor the power supply voltage of electronic devices and generate a reset signal when the voltage falls below a certain threshold or remains low for a specified timeout period. It ensures proper system operation by resetting the device when necessary.

The IC continuously monitors the supply voltage using an internal voltage reference and comparator circuit. When the voltage drops below the programmed threshold, the reset output is activated, signaling the need for a system reset. The timeout period prevents false resets due to temporary voltage fluctuations.

The device can be configured through the I2C interface, allowing customization of the reset threshold voltage and timeout period according to specific application requirements.

Detailed Application Field Plans

The MAX16039LLA44+T is widely used in various electronic devices and systems where power supply monitoring and reset functionality are critical. Some application fields include:

1. Battery-powered portable devices (e.g., smartphones, tablets, wearables)
2. Industrial control systems
3. Automotive electronics
4. Home automation systems
5. Medical equipment
6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

• MAX16038LLA44+T
• MAX16040LLA44+T
• MAX16041LLA44+T
• MAX16042LLA44+T
• MAX16043LLA44+T

These alternative models offer similar power supply monitoring and reset features but may have different specifications or additional functionalities to suit specific application requirements.

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