MAX17017GTM+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 12-Pin TDFN (Thin Dual Flat No-Lead) Package
• Essence: Power Management IC for Portable Devices
• Packaging/Quantity: Tape and Reel Packaging, 3000 Units per Reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.8V to 4.2V
• Maximum Continuous Output Current: 1.5A
• Quiescent Current: 11µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX17017GTM+T has a total of 12 pins. The pin configuration is as follows:

1. EN - Enable Pin
2. PG - Power Good Indicator
3. FB - Feedback Pin
4. GND - Ground
5. LX - Switching Node
6. SW - Switching Node
7. BST - Boost Pin
8. VIN - Input Voltage
9. VOUT - Output Voltage
10. AGND - Analog Ground
11. SS - Soft-Start Pin
12. PGND - Power Ground

Functional Features

• Integrated synchronous step-up (boost) converter
• Automatic transition between PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) modes for improved efficiency
• Soft-start feature for controlled startup and reduced inrush current
• Overcurrent protection and thermal shutdown for enhanced safety
• Power good indicator for monitoring the output voltage status

Advantages and Disadvantages

Advantages: - High efficiency helps to extend battery life in portable devices - Low quiescent current minimizes power consumption during standby or idle modes - Small package size saves board space in compact designs

Disadvantages: - Limited maximum continuous output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The MAX17017GTM+T is a power management IC designed for use in portable devices. It features an integrated synchronous step-up (boost) converter that efficiently converts the input voltage to a higher output voltage. The device automatically switches between PWM and PFM modes to optimize efficiency based on the load requirements.

The EN pin enables or disables the device, while the FB pin provides feedback for regulating the output voltage. The soft-start feature ensures a controlled startup by gradually increasing the output voltage, reducing inrush current.

The MAX17017GTM+T also incorporates overcurrent protection and thermal shutdown mechanisms to safeguard the device and connected components from damage.

Detailed Application Field Plans

The MAX17017GTM+T is well-suited for various portable electronic devices, including but not limited to:

1. Smartphones and tablets
2. Portable media players
3. Wearable devices
4. Handheld gaming consoles
5. GPS navigation systems
6. Portable medical devices

Detailed and Complete Alternative Models

1. MAX17017GTM/V+T: Similar to MAX17017GTM+T, but with a different package option (12-Pin TQFN)
2. MAX17018GTM+T: Step-down (buck) converter variant of MAX17017GTM+T
3. MAX17019GTM+T: Dual-channel boost converter with higher output current capability

These alternative models offer similar functionality and can be considered as substitutes depending on specific design requirements.

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