The BU21029GUL-E2 is a 4-wire resistive touch screen controller designed to facilitate single and dual touch detection. It features a 12-bit resolution and operates on a single supply voltage ranging from 1.65V to 3.60V. The device includes an I2C-like interface for communication with a host processor, allowing for flexible control modes. Key specifications include a standby current of 1.0 µA (maximum), sleep current of 100 µA (typical), and operating current of 0.8 mA (typical). The controller is equipped with a built-in power-on reset circuit and an auto power down feature to minimize power consumption when not in use. It is suitable for applications in portable information devices, audio-visual equipment, and PCs with touch screen interfaces. The package size is 2.00 mm x 2.00 mm x 0.55 mm, making it compact for integration into various devices.
Touchscreen Controller, 4 Wire Resistive 12 b I²C Interface 16-VCSP50L2 (2x2)
IC SCREEN CNTRL 12BIT 16VCSP50L2 Product overview: BU21029GUL-E2 from ROHM Semiconductor is a Touch Screen Controller for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 12BIT. Search-friendly keywords include Touch Screen Controller, Touch Screen Controllers, electronic component, datasheet, replacement part, 12BIT. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 775-BU21029GUL-E2 can be used for catalog matching and distributor lookup.
Manufacturer: Rohm Semiconductor
Win Source Part Number: 864906-BU21029GUL-E2
Operating Temperature Range: -20°C ~ 85°C
Features: Touchscreen Controller 4 Wire Resistive 12 b I²C Interface 16-VCSP50L2 (2x2)
Package: Reel - TR
Package: 16-UFBGA, CSPBGA
Mounting: Surface Mount
Part Status: Not For New Designs
Family Name: BU21029
Categories: Integrated Circuits (ICs)
Case / Package: 16-VCSP50L2 (2x2)
ECCN: EAR99
Popularity: Medium
Fake Threat In the Open Market: 71 pct.
Supply and Demand Status: Limited
Quantity per package: 3000
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.39.0001
Other Part Number: BU21029GUL-E2CT, BU21029GUL-E2TR, BU21029GUL-E2DKR
IC SCREEN CNTRL 12BIT 16VCSP50L2
Touchscreen Controller 4 Wire Resistive 12 b I²C Interface 16-VCSP50L2 (2x2)
TOUCH SCREEN CONTROLLER, 12BIT, BGA-16; IC Interface Type:I2C, Serial; Resolution (Bits):12bit; Supply Voltage Min:1.65V; Supply Voltage Max:3.6V; Controller IC Case Style:BGA; No. of Pins:16Pins; Product Range:-; Automotive RoHS Compliant: Yes
Touch Screen Controllers Res Type 1.65-3.6V I2C VCSP50L2
IC SCREEN CNTRL 12BIT 16VCSP50L2
| DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Lingto Electronic Limited | Quarktwin Technology Ltd. | Newark, An Avnet Company | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controllers |
| Product Number | BU21029GUL-E2TR-ND | 775-BU21029GUL-E2 | 864906-BU21029GUL-E2 | BU21029GUL-E2 | BU21029GUL-E2 | 15AC6392 | BU21029GUL-E2 | BU21029GUL-E2 |
| Product Name | Touch Screen Controllers | 12BIT Touch Screen Controller | Data Acquisition - Data Acquisition - Touch Screen Controllers - BU21029GUL-E2 | Data Acquisition - Touch Screen Controllers | Touch Screen Controllers | Touch Screen Controller, 12Bit, Bga-16; Ic Interface Type Rohm | Touch Screen Controllers | Integrated Circuits (ICs) - Data Acquisition - Touch Screen Controllers |
| Supply Voltage | 1.65 to 3.6 volts | 1.65 to 3.6 volts | 1.65 to 3.6 volts | 1.65 to 3.6 volts | 1.65 to 3.6 volts |
