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EVM Assembly and Configuration
3.2.2
Use with ~12-26-VDC Power Supply
Important:
Install jumpers JP1-18 (18) located near the black battery connectors P1-P3 before connecting
power supplies. These jumpers connect a precision 0.1% resistor divider network between cell
connections.
Connect an appropriate power supply capable of supplying 12-26-VDC to connector P1, then plug P1 into
the EVM connector. Any voltage that meets the IC requirements will work; a voltage of 18-24 V is typical
of most six-cell systems. Plug additional supplies into P2 and P3. The supplies must be isolated from each
other and from earth ground to avoid unintentional short circuits.
A separate supply is required for each
IC (each cell-connection plug)
.
The supply negative connection is made to pin 1 of the mating connector, the pin that will connect to the
bottom-most pin of the mating connector. The positive connection is made to pin 7, the top-most on the
connector. It is not necessary to connect to the intermediate pins due to the resistive divider on the EVM
which was enabled when JP1-18 were installed
CAUTION
Do not remove any of the jumpers JP1-18 while using the EVM in this
configuration. Lethal DC voltages may be present for these configurations.
Contact with these voltages may result in serious injury or death. Use
appropriate safety precautions.
External Power Supply Requirements:
•
Nominal Voltage: 18 VDC
•
Maximum Current: 50 mA
•
Efficiency Level V
NOTE:
TI recommends using an external power supply that complies with applicable regional safety
standards such as (by example) UL, CSA, VDE, CCC, PSE, etc.
3
SLUU437D – October 2010 – Revised July 2015
bq76PL536A and bq76PL536A-Q1 EVM Quick Start Guide
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