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Connector and Test Point Descriptions
4.2.6
TP6 – Reserved
Reserved – no connection.
4.2.7
TP7 – Reserved
Reserved – no connection
4.2.8
TP8 – COIL1.3
Output from bq500414Q, low enables coil 3 drive.
4.2.9
TP9 – 12Vdc
System regulated 12V from VIN
4.2.10
TP10 - Reserved
Reserved – no connection
4.2.11
TP11 – Shield / No Shield
Input to configure bq500414Q to operate with EMI shield, PWR633. Low = no shield, high (3.3V) = shield
4.2.12
TP12 – 12Vdc Feedback
Feedback circuit for 12V regulator
4.2.13
TP13 – GND
Ground test point connection
4.2.14
TP14 – I_SENSE
Current as measured in the system 12V supply
4.2.15
TP15 – COMM-
Sample of coil voltage return for communications with RX
4.2.16
TP16 – COMM+
Sample of coil voltage for communications with RX
4.2.17
TP17 – Reserved
Reserved – no connection.
4.2.18
TP18 – DPWM-1A
PWM Output to half bridge drivers
4.2.19
TP19 – Reserved
Reserved – no connection.
4.2.20
TP20 – GND
Ground test point connection
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bq500414Q bqTESLA Wireless Power TX EVM
SLVUA40A – March 2014 – Revised January 2015
Copyright © 2014–2015, Texas Instruments Incorporated