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Overview
| Topology | Boost Converter |
| IC revision | G |
Description
The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage, while monitoring the battery voltage from 0V to 6V.The low power consumption of < 0.75mW typ at 2.7V (reference off), high-speed (up to 125kHz sample rate), and on-chip drivers make the TSC2046 an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable equipment. The TSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the -40°C to +85°C temperature range.
Features
- SAME PINOUT AS ADS7846
- 2.2V TO 5.25V OPERATION
- 1.5V TO 5.25V DIGITAL I/O
- INTERNAL 2.5V REFERENCE
- DIRECT BATTERY MEASUREMENT (0V TO 6V)
- ON-CHIP TEMPERATURE MEASUREMENT
- TOUCH-PRESSURE MEASUREMENT
- QSPI™ AND SPI™ 3-WIRE INTERFACE
- AUTO POWER-DOWN
- AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES
- APPLICATIONS PERSONAL DIGITAL ASSISTANTS
- PORTABLE INSTRUMENTS
- POINT-OF-SALE TERMINALS
- PAGERS
- TOUCH SCREEN MONITORS
- CELLULAR PHONES
Typical applications
- POINT-OF-SALE TERMINALS
- PAGERS
- CELLULAR PHONES
- PERSONAL DIGITAL ASSISTANTS
- TOUCH SCREEN MONITORS
- PORTABLE INSTRUMENTS
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT (A) | fres (MHz) | Mount | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Winding Style | L (µH) | IR (A) | VR (V) | VT (V (AC)) | Application | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744031002 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 1.25 | 120 | SMT | – | – | – | – | – | – | – | 58 | – | – | 2.5 | 1.45 | – | – | – | ||
 | 742792651 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | SMT | – | – | – | 600 | 800 | 200 MHz | 1000 | 200 | High Current | – | – | 0.8 | – | – | – | ||
 | 744231091 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CNSW SMT Common Mode Line Filter | – | – | SMT | – | – | – | 90 | – | – | – | 300 | – | bifiliar | 0.131 | 0.37 | 50 | 125 | USB 2.0 | ||
 | 74437324015 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | – | 64 | SMT | 4.9 | 5.65 | 10.1 | – | – | – | – | 42 | – | – | 1.5 | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744031002 | SPEC | |
| 742792651 | SPEC | |
| 744231091 | SPEC | |
| 74437324015 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT (A) | fres (MHz) | Mount | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Winding Style | L (µH) | IR (A) | VR (V) | VT (V (AC)) | Application | Samples |
|---|