MAX8934AETI+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: 28-Pin TQFN (Thin Quad Flat No-Lead)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.6V to 3.6V
Maximum Output Current: 1.5A
Quiescent Current: 30µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8934AETI+T has a total of 28 pins. The pin configuration is as follows:

EN (Enable)
VIN (Input Voltage)
GND (Ground)
VOUT (Output Voltage)
FB (Feedback)
SS (Soft-Start)
PG (Power Good)
BST (Bootstrap)
SW (Switch)
AGND (Analog Ground)
LX (Inductor Connection)
COMP (Compensation)
SS/TRK (Soft-Start/Tracking)
VDD (Digital Supply Voltage)
VREF (Reference Voltage)
CLK (Clock)
SD (Shutdown)
INT (Interrupt)
ISET (Current Limit Set)
VBIAS (Bias Voltage)
VCC (Supply Voltage)
VBAT (Battery Voltage)
TS (Thermal Shutdown)
NC (No Connect)
NC (No Connect)
NC (No Connect)
NC (No Connect)
NC (No Connect)

Functional Features

High Efficiency: The MAX8934AETI+T utilizes advanced power management techniques to achieve high efficiency, minimizing power loss and maximizing battery life.
Low Power Consumption: With a quiescent current of only 30µA, the MAX8934AETI+T minimizes power consumption when in standby or low-power modes.
Power Good Indicator: The PG pin provides a signal indicating that the output voltage is within the specified range, ensuring proper operation of downstream components.
Soft-Start: The SS pin allows for a controlled startup sequence, reducing inrush current and preventing voltage spikes.
Thermal Shutdown Protection: The TS pin monitors the temperature of the IC and shuts down the device if it exceeds the specified threshold, protecting it from overheating.

Advantages and Disadvantages

Advantages: - High efficiency design - Low power consumption - Power good indicator for reliable operation - Soft-start feature for controlled startup - Thermal shutdown protection for device safety

Disadvantages: - Limited maximum output current (1.5A) - Restricted input voltage range (2.7V to 5.5V)

Working Principles

The MAX8934AETI+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It achieves this by utilizing a combination of switching and control circuitry. The IC continuously monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The MAX8934AETI+T is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. It provides efficient power management for these devices, ensuring stable and reliable operation while maximizing battery life. The IC's small package size and low power consumption make it suitable for space-constrained applications.

Detailed and Complete Alternative Models

MAX8934AETI+: Similar to MAX8934AETI+T, but without tape and reel packaging.
MAX8934AEWI+: 28-pin WLP (Wafer-Level Package) version of the MAX8934AETI+T.
MAX8934AEVKIT: Evaluation kit for the MAX8934AETI+T, providing a platform for testing and development.

These alternative models offer similar functionality and characteristics as the MAX8934AETI+T, providing flexibility in choosing the most suitable option for specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX8934AETI+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX8934AETI+T in technical solutions:

Q: What is the MAX8934AETI+T? A: The MAX8934AETI+T is a highly integrated power management IC (PMIC) designed for use in portable devices such as smartphones, tablets, and wearables.
Q: What are the key features of the MAX8934AETI+T? A: The key features of the MAX8934AETI+T include multiple voltage regulators, battery charger, power switches, and various protection functions like overvoltage and overcurrent protection.
Q: How many voltage regulators are there in the MAX8934AETI+T? A: The MAX8934AETI+T has six integrated voltage regulators, providing different output voltages required by the system components.
Q: Can the MAX8934AETI+T charge the battery? A: Yes, the MAX8934AETI+T includes a battery charger circuit that supports Li-ion/Li-polymer batteries with programmable charging current and voltage limits.
Q: What types of protection functions does the MAX8934AETI+T offer? A: The MAX8934AETI+T provides protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions, ensuring safe operation of the device.
Q: Is the MAX8934AETI+T compatible with different battery chemistries? A: The MAX8934AETI+T is primarily designed for Li-ion/Li-polymer batteries, but it can also be used with other battery chemistries by adjusting the charging parameters.
Q: Can the MAX8934AETI+T support fast charging? A: Yes, the MAX8934AETI+T supports various fast charging protocols like Qualcomm Quick Charge and USB Power Delivery (USB PD), enabling faster charging times.
Q: What is the input voltage range for the MAX8934AETI+T? A: The MAX8934AETI+T can operate with an input voltage range of 2.7V to 5.5V, making it suitable for a wide range of power sources.
Q: Does the MAX8934AETI+T have any power sequencing capabilities? A: Yes, the MAX8934AETI+T includes power sequencing control to ensure proper startup and shutdown sequences for different system components.
Q: Are there any evaluation boards or reference designs available for the MAX8934AETI+T? A: Yes, Maxim Integrated provides evaluation kits and reference designs that help developers quickly prototype and integrate the MAX8934AETI+T into their applications.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.