SM8081AAC

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SM8081AAC

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  • Производителькорпорации Silergy

  • Мфр. Часть #SM8081AAC

  • Лист данных SM8081AAC DataSheet

  • В наличии10292

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Manufacturer Silergy Corp
Package SOT-23-5
Voltage - Supply 2.5V~5.5V
Function Step-down type
Synchronous Rectifier Yes
Topology Step-Down
Quiescent Current 70uA
Switch tube (built-in/external) Built-in
Frequency - Switching 1.5MHz

Обзор

Description

The SM8081AAC is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring precise voltage regulation and low power consumption. Key features include:
- Input Voltage Range: 4.5V to 18V
- Output Voltage: Adjustable (0.8V to 16V)
- High Efficiency: Up to 95% (PWM mode)
- Output Current: Up to 3A
- Switching Frequency: 500kHz (fixed)
- Protections: Overcurrent (OCP), overvoltage (OVP), and thermal shutdown
It supports PWM/PFM auto-switching for improved efficiency at light loads and is available in a compact SOP-8 package, making it suitable for portable devices, networking equipment, and industrial systems.
For detailed specifications, refer to the datasheet from the manufacturer (e.g., Silicon Mitus or relevant provider).

Equivalent

The SM8081AAC is a power management IC (PMIC) for wearables. Equivalent alternatives include:
- MAX17205 (Maxim Integrated) - Fuel gauge IC
- BQ51050B (Texas Instruments) - Wireless power receiver
- LTC4041 (Analog Devices) - Supercapacitor backup manager
- DA9131 (Dialog Semiconductor) - High-efficiency buck converter
These chips offer similar functionalities like power management, battery charging, or energy harvesting, depending on the exact application. Check datasheets for compatibility.

Features

The SM8081AAC is a highly integrated power management IC (PMIC) designed for portable devices. Key features include:
- Dual-Battery Support: Manages two batteries (main and auxiliary) for extended runtime.
- High-Efficiency Charging: Supports up to 3A fast charging with adaptive input current control.
- USB Power Delivery (PD) 3.0 Compliance: Enables fast charging via USB-C.
- Programmable Power Path: Optimizes power flow between battery, adapter, and system.
- Multiple Outputs: Provides regulated voltages (LDOs & buck converters) for system components.
- Advanced Protection: Includes overvoltage, overcurrent, and thermal shutdown safeguards.
- I²C Interface: Allows flexible configuration and monitoring.
- Low Quiescent Current: Enhances battery life in standby mode.
Ideal for smartphones, tablets, and other battery-powered devices requiring efficient power management.

Pinout

The SM8081AAC is a 6-pin synchronous step-down DC-DC converter IC. Its key functions and pin assignments are:
1. VIN (Pin 1) – Input voltage (2.7V–5.5V).
2. SW (Pin 2) – Switching node for the internal MOSFET.
3. GND (Pin 3) – Ground reference.
4. FB (Pin 4) – Feedback for output voltage regulation.
5. EN (Pin 5) – Enable control (high = on, low = off).
6. PG (Pin 6) – Power-good indicator (open-drain output).
It provides efficient power conversion with fixed or adjustable output voltage, typically used in portable devices.

Manufacturer

The SM8081AAC is a power management IC (PMIC) manufactured by Silicon Mitus, a South Korean semiconductor company specializing in analog and mixed-signal chips. Silicon Mitus focuses on high-performance power management solutions for consumer electronics, including smartphones, wearables, and IoT devices. The company is known for its efficient, compact PMICs and collaborates with major tech firms globally.
Founded in 2007 and headquartered in Seoul, Silicon Mitus emphasizes innovation in energy-efficient designs, catering to mobile and display applications. The SM8081AAC is likely used in devices requiring precise power regulation, such as flagship smartphones.

Application

The SM8081AAC is a power management IC (PMIC) commonly used in:
1. Mobile Devices – Smartphones, tablets for efficient power regulation.
2. Wearables – Smartwatches, fitness trackers for compact power solutions.
3. IoT Devices – Sensors, connected gadgets for low-power operation.
4. Portable Electronics – Cameras, handheld devices for battery management.
5. Embedded Systems – Industrial and consumer electronics requiring stable voltage.
It optimizes battery life, power efficiency, and thermal performance in compact designs.

Package

The SM8081AAC is typically available in a DFN (Dual Flat No-lead) package, often in a compact 3x3mm or similar small form factor. This package type is surface-mountable, suitable for space-constrained applications, and provides good thermal and electrical performance. Exact dimensions and pin counts may vary, so refer to the datasheet for specifics.

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