Touch Screen Controllers

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Touchscreen	Resolution (Bits)	Interface	Voltage Reference	Voltage - Supply	Current - Supply	Operating Temperature	Mounting Type	Grade	Qualification	Supplier Device Package
BU21023GUL-E2 IC SCREEN CNTRL 8BIT 24VCSP50L2 Rohm Semiconductor	4,846	-	RFQ	Datasheet	24-UFBGA, CSPBGA	4 Wire Resistive	8 b	I2C, Serial, SPI	-	2.7V ~ 3.6V	4 mA	-20°C ~ 85°C	Surface Mount	-	-	24-VCSP50L2 (2.6x2.6)
BU21023MUV-E2 IC SCREEN CNTRL 8BIT 28QFN Rohm Semiconductor	3,783	-	RFQ	Datasheet	28-VFQFN Exposed Pad	4 Wire Resistive	8 b	I2C, Serial, SPI	-	2.7V ~ 3.6V	4 mA	-20°C ~ 85°C	Surface Mount	-	-	28-QFN
CYAT81655-100AS48T PSOC BASED - TRUETOUCH Infineon Technologies	3,377	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT61658-56LWS41 TrueTouch Infineon Technologies	4,537	-	RFQ	Datasheet	56-VFQFN Exposed Pad	2 Wire Capacitive	32 b	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	56-QFN (8x8)
CYAT81682-100AA61ZT PSOC BASED - TRUETOUCH Infineon Technologies	3,554	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT61658-64AS48 PSOC BASED - TRUETOUCH Infineon Technologies	3,161	-	RFQ	Datasheet	64-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	64-TQFP (10x10)
CYAT61658-64AS48T PSOC BASED - TRUETOUCH Infineon Technologies	4,141	-	RFQ	Datasheet	64-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	64-TQFP (10x10)
CYAT81655-100AS48 PSOC BASED - TRUETOUCH Infineon Technologies	2,222	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT71658-56LWA41 TrueTouch Infineon Technologies	1,691	-	RFQ	Datasheet	56-VFQFN Exposed Pad	2 Wire Capacitive	32 b	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	56-QFN (8x8)
CYAT81685-100AA61 PSOC BASED - TRUETOUCH Infineon Technologies	4,787	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT81682-100AA61Z PSOC BASED - TRUETOUCH Infineon Technologies	1,861	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT81685-100AA61Z PSOC BASED - TRUETOUCH Infineon Technologies	1,947	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT71658-56LWA41T TrueTouch Infineon Technologies	3,154	-	RFQ	Datasheet	56-VFQFN Exposed Pad	2 Wire Capacitive	32 b	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	56-QFN (8x8)
TSC2302IRGZG4 IC SCREEN CNTRL 12BIT 48FN Texas Instruments	4,928	-	RFQ	Datasheet	48-VFQFN Exposed Pad	4 Wire Resistive	12 b	I2S	External, Internal	2.7V ~ 3.6V	-	-40°C ~ 85°C	Surface Mount	-	-	48-VQFN (7x7)
CYAT81659-64AA48 PSOC BASED - TRUETOUCH Infineon Technologies	2,177	-	RFQ	Datasheet	64-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	64-TQFP (10x10)
CYAT81659-64AA48T PSOC BASED - TRUETOUCH Infineon Technologies	3,102	-	RFQ	Datasheet	64-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 85°C (TA)	Surface Mount	Automotive	AEC-Q100	64-TQFP (10x10)
CYAT81682-100AS61ZT PSOC BASED - TRUETOUCH Infineon Technologies	3,979	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT81682-100AS61Z PSOC BASED - TRUETOUCH Infineon Technologies	1,589	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT81685-100AS61 PSOC BASED - TRUETOUCH Infineon Technologies	3,007	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)
CYAT81682-100AS61 PSOC BASED - TRUETOUCH Infineon Technologies	1,271	-	RFQ	Datasheet	100-LQFP	2 Wire Capacitive	-	I2C, SPI	-	1.71V ~ 1.95V, 3V ~ 5.5V	-	-40°C ~ 105°C (TA)	Surface Mount	Automotive	AEC-Q100	100-TQFP (14x14)

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Touch Screen Controllers FAQ

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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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