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Connector and Test Point Descriptions www.ti.com
4.2 Test Point Descriptions
The test points are described in Section 4.2.1 through Section 4.2.20.
4.2.1 TP1 – Coil Monitor L / C
Coil signal at junction between coil and capacitors.
4.2.2 TP2 – DPWM Signal
Digital output signal from bq500212A to H-Bridge drive for U3.
4.2.3 TP3 – DPWM Signal
Digital output signal from bq500212A to H-Bridge drive for U2.
4.2.4 TP4 – Analog GND
Low-noise GND
4.2.5 TP5 – Not Used
Not used.
4.2.6 TP6 – Not Used
Not used.
4.2.7 TP7 – Not Used
Not used.
4.2.8 TP8 – Not Used
Not used.
4.2.9 TP9 – 3.3-VDC
Voltage for low-power circuits, switched ON/OFF using U5 EN.
4.2.10 TP10 - Filtered 3.3 V
3.3-V output with additional filtering for A-to-D converters.
4.2.11 TP11 – Not Used
Not used.
4.2.12 TP12 – Not Used
Not used.
4.2.13 TP13 – Demodulation Comm + Output
Primary communications channel, input to bq500212A, U1 from demodulation circuit.
4.2.14 TP14 – Snooze
Output from bq500212A, U1 starts Snooze timer circuit.
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bq500212A bqTESLA Wireless Power TX EVM SLVU928A–September 2013–Revised October 2013
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