Texas Instruments Simple LED Driver for MR16 and AR111 Applications Evaluation Module TPS92560MR16BSTEVM TPS92560MR16BSTEVM Hoja De Datos
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TPS92560MR16BSTEVM
T
P
S
9
2
5
6
0
M
R
1
6
B
S
T
E
V
M
LED+
LED-
AC1
AC2
V
A
V
A
+
+
+
+
+
Voltage Source
(DC voltage / AC voltage / Electronic transformer)
Ammeter 1
Ammeter 2
Voltmeter 1
Voltmeter 2
LED string (6 serial LEDs)
TPS92560MR16BSTEVM
I
IN
I
LED
V
LED
V
IN
Test Requirements and Setup
6
Test Requirements and Setup
6.1
Hardware Requirements
The EVM has different requirements on the power source depending on the type of power source being
used. The requirements are as listed in the following table:
used. The requirements are as listed in the following table:
Table 3. Hardware Requirements
Item
Description
Characteristics
Input Power Source
DC power source
Generic DC power supply
0 V
DC
-18 V
DC
, 1.5 A
AC power source
12-V
AC
AC power supply (50/60Hz)
12 V
AC
nominal, 10 W
Magnetic transformer with 12-V
AC
output (50/60Hz)
Electronic transformer
Generic electronic transformer for MR16/AR111
110 V
AC
/220 V
AC
nominal input
applications
Load
Serial LED string
Power LED string of 6 serial LEDs
20-V nominal LED forward voltage
6.2
Hardware Setup
Figure 4. Connection Diagram of the TPS92560MR16BSTEVM
6
User's Guide for TPS92560MR16BSTEVM
SLVU822 – December 2012
Copyright © 2012, Texas Instruments Incorporated