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SN6505x/SN6505x-Q1 Low-Noise Transformer Drivers

Texas Instruments SN6505x/SN6505x-Q1 Low-Noise Transformer Drivers are low-noise, low-EMI push-pull transformer drivers. They specifically are designed for small form factor, isolated power supplies. Each device can drive a low-profile, center-tapped transformer from a 2.25V to 5V DC power supply. Ultra-low noise and EMI are achieved by slew rate control of the output switch voltage and through Spread Spectrum Clocking (SSC). The SN6505x/SN6505x-Q1 consists of an oscillator followed by a gate drive circuit. This provides the complementary output signals to drive ground-referenced N-channel power switches. The device includes two 1A Power-MOSFET switches to ensure start-up under heavy loads. The switching clock can also be provided externally for accurate placement of switcher harmonics, or when operating with multiple transformer drivers. The SN6505x-Q1 devices are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Type	Mounting Style	Package / Case	Output Current	Maximum Output Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Input Current	Qualification	Packaging
Power Management Specialized - PMIC Low-noise 1-A 420- k Hz transformer driv A 595-SN6505BDBVR SN6505BDBVT Texas Instruments 1: $3.31 19,252In Stock	Mfr. Part # SN6505BDBVT Mouser Part # 595-SN6505BDBVT	Texas Instruments	Power Management Specialized - PMIC Low-noise 1-A 420- k Hz transformer driv A 595-SN6505BDBVR Learn More about Texas Instruments ti sn6505 drivers	Datasheet	19,252In Stock	Cut Tape $3.31 $2.49 $2.28 $2.06 Reel $1.94 View $1.84 $1.78 $1.76 $1.73 MouseReel Available	Min.: 1 Mult.: 1 : 250	SN6505B	Driver	SMD/SMT	SOT-23-6	1 A	16 V	- 55 C	+ 125 C	1.56 mA		Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Low-noise 1-A 420- k Hz transformer driv A 595-SN6505BDBVT SN6505BDBVR Texas Instruments 1: $2.23 37,187In Stock	Mfr. Part # SN6505BDBVR Mouser Part # 595-SN6505BDBVR	Texas Instruments	Power Management Specialized - PMIC Low-noise 1-A 420- k Hz transformer driv A 595-SN6505BDBVT Learn More about Texas Instruments ti sn6505 drivers	Datasheet	37,187In Stock	Cut Tape $2.23 $1.65 $1.51 $1.35 View Reel $1.19 $1.28 $1.24 $1.19 $1.19 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 3,000	SN6505B	Driver	SMD/SMT	SOT-23-6	1 A	16 V	- 55 C	+ 125 C	1.56 mA		Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Low-noise 1-A 160- k Hz transformer driv A 595-SN6505ADBVR SN6505ADBVT Texas Instruments 1: $3.31 A tariff of 38% may be applied if shipping to the United States. 1,229In Stock	Mfr. Part # SN6505ADBVT Mouser Part # 595-SN6505ADBVT	Texas Instruments	Power Management Specialized - PMIC Low-noise 1-A 160- k Hz transformer driv A 595-SN6505ADBVR Learn More about Texas Instruments ti sn6505 drivers	Datasheet	1,229In Stock	Cut Tape $3.31 $2.49 $2.28 $2.06 Reel $1.94 View $1.84 $1.83 $1.76 $1.74 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 250	SN6505A	Driver	SMD/SMT	SOT-23-6	2 A	16 V	- 55 C	+ 125 C	1 mA		Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Automotive low-nois e 1-A 420-kHz tran A A 595-SN6505BQDBVTQ1 SN6505BQDBVRQ1 Texas Instruments 1: $2.78 3,034In Stock 21,000Expected 10/22/2026	Mfr. Part # SN6505BQDBVRQ1 Mouser Part # 595-SN6505BQDBVRQ1	Texas Instruments	Power Management Specialized - PMIC Automotive low-nois e 1-A 420-kHz tran A A 595-SN6505BQDBVTQ1 Learn More about Texas Instruments ti sn6505 drivers	Datasheet	3,034In Stock 21,000Expected 10/22/2026	Cut Tape $2.78 $2.08 $1.90 $1.71 Reel $1.48 View $1.61 $1.58 $1.53 $1.39 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SN6505B	Low Noise	SMD/SMT	SOT-23-6	1 A	16 V	- 40 C	+ 125 C	1.56 mA	AEC-Q100	Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Low-noise 1-A 160- k Hz transformer driv A 595-SN6505ADBVT SN6505ADBVR Texas Instruments 1: $2.43 113In Stock 6,000Expected 11/12/2026	Mfr. Part # SN6505ADBVR Mouser Part # 595-SN6505ADBVR	Texas Instruments	Power Management Specialized - PMIC Low-noise 1-A 160- k Hz transformer driv A 595-SN6505ADBVT Learn More about Texas Instruments ti sn6505 drivers	Datasheet	113In Stock 6,000Expected 11/12/2026	Cut Tape $2.43 $1.81 $1.65 $1.48 Reel $1.25 View $1.40 $1.36 $1.33 $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SN6505A	Driver	SMD/SMT	SOT-23-6	2 A	16 V	- 55 C	+ 125 C	1 mA		Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Automotive low-nois e 1-A 160-kHz tran A A 595-SN6505AQDBVRQ1 SN6505AQDBVTQ1 Texas Instruments 1: $3.44 420In Stock	Mfr. Part # SN6505AQDBVTQ1 Mouser Part # 595-SN6505AQDBVTQ1	Texas Instruments	Power Management Specialized - PMIC Automotive low-nois e 1-A 160-kHz tran A A 595-SN6505AQDBVRQ1 Learn More about Texas Instruments ti sn6505 drivers	Datasheet	420In Stock	Cut Tape $3.44 $2.59 $2.37 $2.14 Reel $2.02 View $1.91 $1.85 $1.83 $1.82 MouseReel Available	Min.: 1 Mult.: 1 : 250	SN6505A	Low Noise	SMD/SMT	SOT-23-6	1 A	16 V	- 40 C	+ 125 C	1 mA	AEC-Q100	Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Automotive low-nois e 1-A 420-kHz tran A A 595-SN6505BQDBVRQ1 SN6505BQDBVTQ1 Texas Instruments 1: $3.59 77In Stock 20,500On Order	Mfr. Part # SN6505BQDBVTQ1 Mouser Part # 595-SN6505BQDBVTQ1	Texas Instruments	Power Management Specialized - PMIC Automotive low-nois e 1-A 420-kHz tran A A 595-SN6505BQDBVRQ1 Learn More about Texas Instruments ti sn6505 drivers	Datasheet	77In Stock 20,500On Order On Order Ship Dates Mfr. #: SN6505BQDBVTQ1 Stock: 77 Can Ship Immediately On Order: 6,250 Expected 10/26/2026 4,250 Expected 2/26/2027 10,000 Expected 5/7/2027 Factory Lead-Time: 9 Weeks	Cut Tape $3.59 $2.68 $2.46 $2.21 Reel $2.08 View $2.01 $1.92 $1.88 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 250	SN6505B	Low Noise	SMD/SMT	SOT-23-6	1 A	16 V	- 40 C	+ 125 C	1.56 mA	AEC-Q100	Reel, Cut Tape, MouseReel
Power Management Specialized - PMIC Automotive low-nois e 1-A 160-kHz tran A A 595-SN6505AQDBVTQ1 SN6505AQDBVRQ1 Texas Instruments 1: $2.86 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # SN6505AQDBVRQ1 Mouser Part # 595-SN6505AQDBVRQ1	Texas Instruments	Power Management Specialized - PMIC Automotive low-nois e 1-A 160-kHz tran A A 595-SN6505AQDBVTQ1 Learn More about Texas Instruments ti sn6505 drivers	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $2.86 $2.13 $1.95 $1.75 Reel $1.48 View $1.66 $1.62 $1.53 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SN6505A	Low Noise	SMD/SMT	SOT-23-6	1 A		- 40 C	+ 125 C	1 mA	AEC-Q100	Reel, Cut Tape, MouseReel

SN6505x/SN6505x-Q1 Low-Noise Transformer Drivers

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