SN6501

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Low-noise, 350-mA, 410-kHz transformer driver for isolated power supplies

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Product details

Parameters

Rating Catalog Iout (A) 0.25 Vout (Max) (V) 11 Vin (Min) (V) 3 Vin (Max) (V) 5.5 Soft start No Operating temperature range (C) -40 to 125 Iout (Max) (A) 0.5 Switching frequency (Min) (kHz) 410 Switching frequency (Max) (kHz) 620 Vout (Min) (V) 0 Switch current limit (Typ) (A) 0.5 open-in-new Find other Transformer drivers

Package | Pins | Size

SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 open-in-new Find other Transformer drivers

Features

  • Push-pull driver for small transformers
  • Single 3.3-V or 5-V supply
  • High primary-side current drive:
    • 5-V Supply: 350 mA (Max)
    • 3.3-V Supply: 150 mA (Max)
  • Low ripple on rectified output permits small output capacitors
  • Small 5-Pin SOT-23 Package

All trademarks are the property of their respective owners.

open-in-new Find other Transformer drivers

Description

The SN6501 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power supplies in isolated interface applications. The device drives a low-profile, center-tapped transformer primary from a 3.3-V or 5-V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer turns ratio.

The SN6501 consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make action between the two switches.

The SN6501 is available in a small SOT-23 (5) package, and is specified for operation at temperatures from –40°C to 125°C.

open-in-new Find other Transformer drivers
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Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The AMC1300 evaluation module (EVM) is a platform for evaluating the AMC1300, which is a 7-kV reinforced isolation amplifier designed for use in current shunt measuring applications. AMC1300EVM allows the user to explore all the features of the AMC1300 device.

Features
  • Reinforced isolation amplifier: 7-kV peak, 10-kV surge
  • Fixed gain of 8.2
  • ±250-mV input range
  • Low gain error and drift
  • Extended industrial temperature range
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The AMC1302 evaluation module (EVM) is a platform for evaluating the AMC1302, which is a 7-kV reinforced isolation amplifier designed for use in current shunt measuring applications. AMC1302EVM allows the user to explore all the features of the AMC1302 device.

Features
  • Reinforced isolation amplifier: 7-kV peak, 10-kV surge
  • Fixed gain of 41
  • ±50-mV input range
  • Low gain error and drift
  • Extended industrial temperature range
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description
The AMC1303 devices are 1-bit modulators with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. The isolation barrier provides galvanic isolation of up to 8000 VPEAK. When used in combination with an FPGA or other digital filter, AMC1303 (...)
Features
  • Full-featured evaluation board for the AMC1303 single-channel delta-sigma modulators
  • Configurable AVDD and DVDD power supplies
  • Screw terminals for easy access to analog inputs and digital outputs
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description
The AMC1306 devices are 1-bit modulators with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. The isolation barrier provides galvanic isolation of up to 8000 VPEAK. When used in combination with an FPGA or other digital filter, AMC1306 (...)
Features
  • Full-featured evaluation board for the AMC1306 single-channel delta-sigma modulators
  • Configurable AVDD and DVDD power supplies
  • Screw terminals for easy access to analog inputs and digital outputs
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The AMC1311 device is a high-voltage isolation amplifier with a differential output separated from the input interface circuitry by a silicon dioxide (SiO2) isolation barrier. The isolation barrier provides galvanic isolation of up to 7000 VPEAK.  When used in combination with TLV6001, the (...)

Features
  • Full-featured evaluation board for AMC1311 single-channel isolation amplifier
  • Single-ended output option
  • Screw terminals for easy access to analog inputs and outputs
  • Configurable AVDD and DVDD power supplies
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The AMC1336 evaluation module (EVM) is a platform for evaluating the AMC1336 device, which is a reinforced isolated delta-sigma modulator for voltage sensing. AMC1336 is a 1-bit modulator with an output buffer separated from the input interface circuitry by a silicon dioxide (SiO2 (...)

Features
  • Full-featured evaluation board for AMC1336 single-channel delta-sigma modulator
  • Configurable AVDD and DVDD power supplies
  • Screw terminals for easy access to analog inputs and digital outputs
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The ISO224 evaluation module (EVM) is an evaluation platform for ISO224, which is a 7-kV reinforced isolation amplifier designed for use in voltage-measuring applications. ISO224EVM allows the user to explore all the features of the ISO224 device. ISO224EVM also features a bipolar and (...)

Features
  • Reinforced isolation amplifier: 7-kV peak, 10-kV surge
  • Fixed gain of 0.25
  • ±12-V input range
  • Low gain error and drift
  • Extended industrial temperature range
EVALUATION BOARDS Download
document-generic User guide
$49.00
Description

The SN6501-Multi-Xfmr EVM is configured with five independent circuits providing options to operate using either a +3.3Vdc or +5.0Vdc input and provides isolated 3.3Vdc or 5.0Vdc outputs. Two of the circuits include LDO's to regulate the output. The five configurations include 3Vdc-to-3Vdc with no (...)

Features
  • Push-Pull Driver for Small Transformers
  • Single 3.3V or 5V Supply
  • High Primary-side Current Drive
  • Low Ripple on Rectified Output
DAUGHTER CARDS Download
document-generic User guide
Description

The MSP-ISO Isolation board is an easy-to-use plug-in module that offers galvanic isolation between the Debug and Target circuits for MSP430 LaunchPad developers. This is important in cases where the debug circuitry may adversely affect the quality of analog signal measurements made by the MSP430 (...)

Features
  • Isolating target microcontroller from power and data signals removes influence of emulation  hardware in order to improve analog measurements
  • Galvanic isolation between emulation programming and target sides of supported development boards
  • No directly connected data signals
  • No directly connected  (...)

Design tools & simulation

SIMULATION MODELS Download
SLLM173.ZIP (18 KB) - PSpice Model
SIMULATION MODELS Download
SLLM223.TSC (74 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLLM224.ZIP (13 KB) - TINA-TI Spice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

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document-generic Schematic
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Soft-Start Isolated Power Supply Reference Design
TIDA-00326 This reference design demonstrates a Soft-Start Isolated Power Supply. It utilizes a TPS22965 Load-Switch and SN6501 Transformer Driver to slew-rate limit the ramp-up power on the primary supply, and utilizes a Transformer plus a full-wave rectifier to generate the isolated secondary power.
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REFERENCE DESIGNS Download
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Design files
REFERENCE DESIGNS Download
Isolated Power Supplies Reference Design
TIDA-00004 This reference design demonstrates how to create a 3.3V or 5V isolated power supply for isolated RS-485, CAN or similar applications. There are five separate supplies on the board for different cases of input and output voltage, with and without regulated outputs.
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SOT-23 (DBV) 5 View options

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