Wireless
Transmitter
A
V
PS
bq51010BEVM-764
Load
A
V
V
OUT
GND
V
IN
GND
Test Procedure
5.3
Equipment Setup
5.3.1
Test Set Up
The final assembly is tested using a bqTesla transmitter provided (HPA689). Input voltage to the
transmitter is set to 19 V
DC
, ±200 mV with current limit of 1 A and connected to J1 and J2. Set power
supply to OFF. Place UUT on the transmitter coil. The unit under test (UUT) is placed in the center of
HPA689 TX coil.
Other bqTesla transmitter base units are also acceptable for this test.
Figure 2. Test Set Up
5.3.2
Load
The load is connected between J3 OUT and J4 GND of the UUT. A DC ammeter is connected between
UUT and Load. Set the load for 10
Ω
/700 mA.
5.3.3
Jumper Settings
JP1:
EN1/TERM and Low shorted
JP2:
EN2 and Low shorted
JP3:
TS and DIS shorted
JP4:
Pullup and Vz shorted
JP5:
Open
JP6:
ILIM and ADJ shorted
5.3.4
Meters
•
Connect ammeter to measure 19-V input current to transmitter.
•
Connect voltmeter to monitor input voltage at J1 and J2 of TX unit.
•
On UUT, a voltmeter is used to measure output voltage at TP7 with ground at J4.
•
Connect ammeter to measure load current.
5.3.5
R3 Set Up
Connect ohmmeter across J5. Connect shorting jumper JP3 from TS to EN. Adjust R3 for a 10 k
Ω
, ±200-
Ω
reading on the ohmmeter
5.3.6
R16 Set Up
Connect ohm meter between JP6 ADJ and J2 (GND). Adjust R16 to 415
Ω
, ±20-
Ω
reading on the
ohmmeter.
7
SLUUAE3A – August 2013 – Revised December 2013
bq51010BEVM-764 Evaluation Module (WCSP Package)
Copyright © 2013, Texas Instruments Incorporated
