TPS65680
18-kanaliger konfigurierbarer Pegelwandler mit OCP und 2 Eingängen für GOA-/GIP-Displays
TPS65680
- Programmable Output Pattern
- Same Hardware can Support Different Displays
- Ideal for Nonstandard / Small-Volume Applications
- Pattern Changes During Development are Easy to Implement
- Simple 2-Wire Interface Between Level Shifter and TCON
- Uses Fewer TCON I/O Resources / Allows Smaller TCON Package
- Simplifies PCB Layout
- Same 2-Wire Interface can be Shared by Multiple Level Shifter Devices Operating in Parallel
- 12 High-Voltage Clock Outputs
- 6 High-Voltage Control Outputs
- Advanced Functionality
- Gate-Voltage Shaping
- Charge-Sharing
- Low-Frequency ODD / EVEN Output Generation
- Panel Discharge During Shutdown
- Output Overcurrent Protection
- Overtemperature Protection
- Wide Supply Voltage Range
- VIN Supplies from 2.7 V to 5.5 V
- VGH Supplies from 9 V to 40 V
- VGL Supplies from –4 V to –18 V
- 4-mm × 4-mm, 32-Pin QFN Package
The TPS65680 device is a fully programmable high-voltage level shifter solution for LCD panels. It supports up to twelve high-voltage clock outputs in either charge-sharing or gate-voltage shaping configuration and six high-voltage control outputs for generating start, clear/reset, low-frequency ODD / EVEN signals and panel discharge. The output timing is generated by the level shifter itself, based on a user-programmable pattern sequence and requires only two connections to the timing controller: a line clock and a start pulse that indicates the start of a new frame. These two signals can be shared between multiple TPS65680 devices in applications that require a higher number of output channels than one device can generate.
Customer-defined patterns and configuration settings can be stored in an on-chip nonvolatile memory to be used as the default settings after power up. Alternatively, this data can be written to the device after power up, using the I2C interface. The programmability of the TPS65680 device lets you change the output pattern without reprogramming or changing the TCON. Thus one PCB can support many different panels, which simplifies the system design, shortens the design cycle and enables economies of scale.
Weitere Informationen
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Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | TPS65680 18-Channel Pattern-Programmable Level Shifter with Overcurrent Protection datasheet (Rev. A) | PDF | HTML | 08 Jan 2018 |
Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 19 Sep 2018 | ||
User guide | TPS65680 Evaluation Module | 09 Okt 2017 |
Design und Entwicklung
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TPS65680EVM — TPS65680 Programmierbarer Pegelumsetzer – Evaluierungsmodul
The TPS65680EVM is an evaluation tool for the TPS65680 18-Channel Pattern-Programmable Level Shifter with Overcurrent Protection for use in large format LCD display applications such as TVs and monitors. The TPS65680 supports up to twelve high-voltage clock (GCK) outputs in charge-sharing or (...)
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Gehäuse | Pins | Herunterladen |
---|---|---|
WQFN (RSN) | 32 | Optionen anzeigen |
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