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Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 10
Technical content
Features
- Supports portable wireless charging applications
- Wireless power systems up to 5W output
- Integrated gate driver and output stage
- Single pin control for switching the output stage
- Low external component count
Applications
- Low-power wireless chargers for: Smart Watches Wearables Toys Portable Lighting Medical Devices
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 2 of 10 Semtech Proprietary & Confidential Pin-out (Top view) SDA SCL nFLT EN SW BOOT PGND SW PGND VIN VIN PGND VDD HSON PGND GND Pin-out Configuration Pin # Pin Symbol Function Description
1 EN Enable Enable
2 SDA I2C Serial Data I2C Serial Data
3 SCL I2C Serial Clock I2C Serial Clock
4 nFLT Status Fault Status
5 PGND Power GND Power GND
6 HSON Driver Driver high-side control
7 VDD Supply Device Supply
8 GND GND Device GND
9 PGND Power GND Power GND
10 BOOT Bootstrap Pin Connected through 22nF capacitor to SW pin
11 SW Switching Node Connected to transmitter coil
12 SW Switching Node Connected to transmitter coil
13 PGND Power GND Power GND
14 PGND Power GND Power GND
15 VIN Power Supply Power Supply
16 VIN Power Supply Power Supply
17 PAD Power PAD Power GND
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 3 of 10 Semtech Proprietary & Confidential Functional Block Diagram Gate Drive Gate Drive Gate Drive Control SW GND MONITOR CONTROL Over & Under Voltage Protection VIN EN PGND nFLT COUT Lcoil HS ON I²C Interface SCL SDA VIN CIN VDD CVDD VDD Regulator VIN CBOOT BOOT Input Buffer
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 4 of 10 Semtech Proprietary & Confidential Absolute Maximum Ratings Over operating free–air temperature range unless otherwise noted(1, 2) Parameter Value Unit VDD, EN, NFLT, SCL, SDA, VTHERM, VBAT -0.3 to 5.5 V VIN -0.3 to 20 V BOOT -0.3 to 25 V SW -1 to 20 V Electrostatic Discharge – Human Body Model +/-2k V Electrostatic Discharge – Charge Device Model +/-500 V Lead Temperature (soldering, 10 seconds) 260 OC (1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute–maximum–rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to network ground terminal. Thermal Characteristics Symbol Parameter Value Units ΘJA Thermal Resistance Junction to Air (Note 1) 33 - 36 °C/W ΘJC Thermal Resistance Junction to Case (Note 1) 1.2 - 3.9 °C/W TSTG Storage Temperature Range -65 to 150 °C TJ MAX Maximum Junction Temperature 150 °C TJ Operating Junction Temperature Range -40 to 125 °C Note 1: Assumes 16LD 3x3 QFN with hi-K JEDEC board and 13.5 inch2 of 1 oz Cu and 4 thermal vias connected to PAD Recommended Operating Conditions Symbol Parameter Min Typ Max Unit VCC Input Operating Voltage 4.2 12 16.5 V LOUT Transmitter Coil 6.0 µH COUT Output Filter Capacitor 100 nF CIN Input Bypass Capacitor 100 nF CVDD Internal Bypass Capacitor 100 nF CBOOT Bootstrap Capacitor 22 nF
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 5 of 10 Semtech Proprietary & Confidential Electrical Characteristics (T=25OC unless otherwise specified) Electrical Characteristics, TJ = -40C to 125C (unless otherwise noted) Parameter Symbol Conditions Min. Typ. Max. Units Output Stage High Side Switch On Resistance RDSON ISW = -1A, TJ=25C 100 mΩ Low Side Switch On Resistance ISW = 1A, TJ=25C 100 mΩ Max Output Current IOUT 2.0 A Over Current Detect IOCD HS switch current 2.5 A VDD LDO Output LDO Output Voltage VLDO 4.75 5.0 5.25 V LDO Output Current ILDO 50 mA Drop Out Voltage LDODO Vin=5V, Iout=50mA 400 mV Functional Description Switching of the TS51231 transmitter driver is controlled by the wireless transmitter controller via the HSON pin. When the HSON pin is high, the high-side FET is switched on and the low-side FET is switched off. When the HSON pin is low, the high-side FET is switched off and the low-side FET is switched on.
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 6 of 10 Semtech Proprietary & Confidential Application Schematic Figure 1: TS80002 Application Schematic
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 7 of 10 Semtech Proprietary & Confidential Package Mechanical Drawings (all dimensions in mm) Units Millimeters Dimensions Limits MIN NOM MAX Number of Pins N 16 Pitch e 0.50 BSC Overall Height A 0.80 0.90 1.00 Standoff A1 0.00 0.02 0.05 Contact Thickness A3 0.20 REF Overall Length D 3.00 BSC Exposed Pad Width E2 1.55 1.70 1.80 Overall Width E 3.00 BSC Exposed Pad Length D2 1.55 1.70 1.80 Contact Width b 0.20 0.25 0.30 Contact Length L 0.20 0.30 0.40 Contact-to-Exposed Pad K 0.20 - -
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 8 of 10 Semtech Proprietary & Confidential Recommended PCB Land Pattern Units Millimeters Dimensions Limits MIN NOM MAX Contact Pitch E 0.50 BSC Optional Center Pad Width W2 - - 1.70 Optional Center Pad Length T2 - - 1.70 Contact Pad Spacing C1 - 3.00 - Contact Pad Spacing C2 - 3.00 - Contact Pad Width (X16) X1 - - 0.35 Contact Pad Length (X16) Y1 - - 0.65 Distance Between Pads G 0.15 - - RECOMMENDED LAND PATTERN Silk Screen Notes: Dimensions and tolerances per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact values shown without tolerances. REF: Reference Dimension, usually without tolerance, for information only
Final Datasheet Rev 1.0 March 27, 2015 www.semtech.com 9 of 10 Semtech Proprietary & Confidential
Ordering Information
TS51231-QFNR Transmitter Driver RoHS and Reach Compliance Triune Systems is fully committed to environmental quality. All Triune Systems materials and suppliers are fully compliant with RoHS (European Union Directive 2011/65/EU), REACH SVHC Chemical Restrictions (EC 1907/2006), IPC-1752 Level 3 materials declarations, and their subsequent amendments. Triune Systems maintains certified laboratory reports for all product materials, from all suppliers, which show full compliance to restrictions on the following:
- Cadmium (Cd)
- Chlorofluorocarbons (CFCs)
- Chlorinate Hydrocarbons (CHCs)
- Halons (Halogen free)
- Hexavalent Chromium (CrVI)
- Hydrobromofluorocarbons (HBFCs)
- Hydrochlorofluorocarbons (HCFCs)
- Lead (Pb)
- Mercury (Hg)
- Perfluorocarbons (PFCs)
- Polybrominated biphenyls (PBB)
- Polybrominated Diphenyl Ethers (PBDEs)
Final Datasheet Rev 1.0 March 27, 2015 10 of 10 Semtech Proprietary & Confidential Contact Information Semtech Corporation
200 Flynn Road, Camarillo, CA 93012
Phone: (805) 498-2111, Fax: (805) 498-3804 www.semtech.com IMPORTANT NOTICE Information relating to this product and the application or design described herein is believed to be reliable, however such information is provided as a guide only and Semtech assumes no liability for any errors in this document, or for the application or design described herein. Semtech reserves the right to make changes to the product or this document at any time without notice. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Semtech warrants performance of its products to the specifications applicable at the time of sale, and all sales are made in accordance with Semtech’s standard terms and conditions of sale. SEMTECH PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS, OR IN NUCLEAR APPLICATIONS IN WHICH THE FAILURE COULD BE REASONABLY EXPECTED TO RESUL T IN PERSONAL INJURY , LOSS OF LIFE OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. INCLUSION OF SEMTECH PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE UNDERTAKEN SOLELY AT THE CUSTOMER’S OWN RISK. Should a customer purchase or use Semtech products for any such unauthorized application, the customer shall indemnify and hold Semtech and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs damages and attorney fees which could arise. The Semtech name and logo are registered trademarks of the Semtech Corporation. Triune Systems, L.L.C. is now a wholly-owned subsidiary of Semtech and trade names mentioned may be marks and names of Semtech or their respective companies. Semtech reserves the right to make changes to, or discontinue any products described in this document without further notice. Semtech makes no warranty, representation or guarantee, express or implied, regarding the suitability of its products for any particular purpose. All rights reserved. © Semtech 2015