XSN6505DQDBVTQ1 Texas Instruments Integrated Circuit (SOT23 (6-Pin)) In Stock
Texas Instruments XSN6505DQDBVTQ1 is an automotive-grade AEC-Q100 low-noise 1 A transformer driver for isolated power supplies switching at 420 kHz in SOT-23-6 package. Operates from 2.25 V to 5.5 V supply. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- XSN6505DQDBVTQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of XSN6505DQDBVTQ1?
- AEC-Q100 qualified automotive transformer driver delivering 1 A peak gate drive at 420 kHz switching frequency for isolated DC/DC flyback and forward converters in vehicle ECUs
- Ultra-compact SOT-23-6 package with 2.25 V to 5.5 V input range simplifies isolated 3.3 V and 5 V rail generation in space-constrained automotive sensor modules
- Low-noise architecture with spread-spectrum frequency dithering reduces EMI emissions, easing CISPR 25 compliance in in-vehicle infotainment and ADAS power supply designs
What is XSN6505DQDBVTQ1 used for?
XSN6505DQDBVTQ1 drives the primary-side switch of miniature isolated flyback and forward converters supplying 5 V or 3.3 V to CAN bus transceivers, LIN slaves, and isolated sensor interfaces inside automotive ECUs and body control modules. Its AEC-Q100 qualification and 420 kHz switching frequency allow use of smaller transformer cores with reduced EMI, meeting CISPR 25 Class 5 limits required for AM/FM radio co-existence. Industrial fieldbus isolators and medical isolated power modules also benefit from its 1 A drive strength and low-noise switching profile.
What are the specifications of XSN6505DQDBVTQ1?
| Date Of Intro | 2019-05-23 |
| YTEOL | 0 |
| Interface IC Type | INTERFACE CIRCUIT |
| JESD-30 Code | R-PDSO-G6 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.25V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.01 |
Where can I find the XSN6505DQDBVTQ1 datasheet?
XSN6505DQDBVTQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for XSN6505DQDBVTQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What switching frequency and peak drive current does XSN6505DQDBVTQ1 provide for a miniature isolated converter?
XSN6505DQDBVTQ1 operates at a fixed 420 kHz switching frequency and delivers 1 A peak gate drive current, enabling the use of transformer cores as small as 3 mm x 3 mm for isolated outputs up to 1 W in automotive sensor applications. The 420 kHz frequency pushes switching noise above the AM band, simplifying CISPR 25 EMI compliance for in-vehicle designs.
Why is AEC-Q100 qualification important for XSN6505DQDBVTQ1 in automotive ECU power supply designs?
AEC-Q100 Grade 1 qualification ensures the device is tested for reliability across -40°C to +125°C ambient temperature ranges and meets automotive-grade failure mode and accelerated life test requirements. This certification allows designers to use XSN6505DQDBVTQ1 directly in engine compartment ECUs and transmission control modules without additional qualification overhead, reducing time-to-market by several months.
What input voltage range does XSN6505DQDBVTQ1 accept, and which automotive bus supplies does it directly support?
The device accepts a 2.25 V to 5.5 V input supply, compatible with 3.3 V and 5 V regulated rails derived from automotive 12 V or 48 V battery systems through a pre-regulator. This range covers the logic supply of CAN transceivers and LIN bus controllers where an isolated 5 V or 3.3 V output is generated by a small flyback converter using XSN6505DQDBVTQ1 driving a 1:1 or step-up transformer.
How does XSN6505DQDBVTQ1 compare in board footprint to discrete gate-driver solutions for isolated converters?
The SOT-23-6 package measures approximately 2.9 mm x 1.6 mm, over 4 times smaller than an 8-pin SOIC solution using a discrete gate driver plus bootstrap components. Integrating oscillator, driver, and protection into 6 pins eliminates 3 to 5 passive components, shrinking the total power island to under 100 mm2 in compact automotive body control module PCBs where space for isolated power is limited.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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