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SN6505AQDBVRQ1

Name: SN6505AQDBVRQ1
Rating: 4.7 (12 reviews)

PWR MGMT MOSFET/PWR DRIVER

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製造商。部分 #SN6505AQDBVRQ1
包 SOT-23 (DBV)-6
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q100
ProductStatus	Active
Applications	Transformer Driver
Current-Supply	1mA
Voltage-Supply	2.25V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	SOT-23-6

概述

Description

SN6505AQDBVRQ1 is Texas Instruments’ automotive-grade SN6505 transformer-driver IC. It provides a high-frequency gate drive to an external transformer to generate a galvanically isolated power supply on the secondary side (with external rectifier/regulator). It does not regulate the isolated output by itself; regulation is done on the secondary side. The device includes an internal oscillator and primary-side drive, and is used in automotive electronics to power isolated subsystems (MCUs, sensors, CAN and other transceivers, isolated I/O). The “AQ” suffix denotes automotive qualification; “DBV” is the package code; “RQ1” indicates a reel/tape version. Typically used with a small transformer (1:1 or 1:2) and external diode/regulator to produce a 3.3V or 5V isolated rail. Input is from a single supply (roughly 3–5V) at a switching frequency in the hundreds of kHz range. For exact electrical specs, pinout, and application notes, consult the TI SN6505AQ data sheet.

Features

SN6505AQDBVRQ1 is TI’s transformer‑driver for isolated power supplies. Key features:
- One-channel high‑frequency transformer driver that powers an external transformer to generate an isolated rail for remote devices (e.g., CAN/RS‑485 transceivers).
- Requires external rectifier/regulator on the secondary side; no on‑chip isolated regulator.
- Input voltage: nominal 5 V (typical 4.5–5.5 V range).
- Push-pull drive of the primary for efficient energy transfer at high frequency.
- Built‑in protections: undervoltage lockout and overcurrent/thermal protections.
- High efficiency and suitable for compact, low‑EMI isolated power solutions.
- Automotive/industrial‑grade variant (AQ) with extended temperature capability.
- Small surface‑mount package (QDBVRQ1 family variant), RoHS compliant.
Note: For exact electrical specs, transformer recommendations, and application details, please refer to the TI SN6505AQ datasheet.

Package

8-pin VSON package (DBV) — a Very Small Outline No-Lead package.

Pinout

- Pin count: 8 pins
- Function: Single-channel transformer driver used to generate an isolated power supply. It drives the primary of an external transformer with a PWM input to produce an isolated output (requiring external rectifier/regulator on the secondary).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: TI is an American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits.

Application

Applications for SN6505AQDBVRQ1 include:
- Isolated power for data interfaces (CAN, RS-485/RS-232)
- Industrial automation and control systems needing galvanic isolation
- Automotive electronics and instrumentation with isolated rails
- Medical devices requiring patient/isolation safety
- Data acquisition, sensors, and remote I/O in harsh environments

Equivalent

Equivalent products to SN6505AQDBVRQ1 (isolated power-supply transformer driver) include:
- TI SN6505A (same family, non-automotive)
- Analog Devices ADuM1250/1251/1252 IsoPower isolated-power drivers
- Maxim Integrated MAX660/MAX661 (iso-power driver families)
Note: pinout, transformer turns, voltage/current, and automotive-grade specs vary; choose based on required isolation voltage, output power, and switching frequency.