Texas Instruments BQ24180, Руководство пользователя

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Simulated Battery Load Circuit
IN5821
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Test Summary
1.4 Control and Key Parameters Setting
Jack Description Factory Setting
JMP1 HI 1-2: CD high (disables charge) Jumper on LO (2-3)
LO 2-3: CD low (enables charge)
JMP2 HI 1-2: high (USB source connected) Jumper on (1-2)
LO 1-2: low (adapter source connected)
JMP3 LED 1-2: Connect STAT pin to LED on EVM Jumper on LED (1-2)
EXT 2-3: Connect STAT pin to J6-3
JMP4 HI 1-2: High (charger disabled in default mode) Jumper on LED (2-3)
LO 2-3: TS biased with fixed 4.7-k Ω resistor
1.5 Recommended Operating Conditions
Min Typ Max Unit
Supply voltage, V
IN
Input voltage from ac adapter input 4 5 9 V
Battery voltage, V
BAT
Voltage applied at VBAT terminal of J8 0 3-4.2 4.44 V
Supply current, I
AC
Maximum input current from ac adapter input 0 0.1 – 0.5 1.5 A
Charge current, I
chrg
Battery charge current 0.55 0.7 1.5 A
Operating junction temperature range, T
J
0 125 ° C
2 Test Summary
2.1 Equipment
2.1.1 Power Supplies
Power Supply 1 (PS#1) is a power supply capable of supplying 5 V at 2 A.
Optional Power Supply 2 is for use with optional battery simulated load (PS#2), a power supply capable of
supplying 5 V at 2 A.
2.1.2 Battery Pack or Simulated Load
A Li-ion, single-cell pack with capacity of at least 1200 mAh can be used or a simulated load of 2.8 Ω (two
5.6- Ω , ≥ 10-W power resistors in parallel), with a 0.1- Ω current sense in the return to the UUT and a power
silicon diode (cathode) connected to the BAT+ side of the load.
2.2 DCOUT Load #2
A ≥ 25- Ω , ≥ 3-W power resistor
2.3 Multimeters and Oscilloscope
Three Fluke 75, (equivalent or better) multimeters
Oscilloscope that can capture 10-MHz waveforms
3 SLUU419A – April 2010 – Revised April 2011 bq24180 Evaluation Module
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