19-4289; Rev 0; 9/08
MAX16832C Evaluation Kit
Evluates:C/MX16832A
General Description
Features
The MAX16832C evaluation kit (EV kit) demonstrates the
MAX16832C hysteretic current-mode high-brightness
LED (HB LED) driver IC. The MAX16832C EV kit is config-
ured as a step-down topology with a constant-current HB
LED driver circuit for external HB LEDs. The MAX16832C
EV kit operates from a DC supply voltage of 6.5V to 65V
and is configured to deliver 666mA of current to user-sup-
plied HB LEDs. The output voltage for the HB LED string
can go up to 64V and depends upon the EV kit’s input
voltage.
o 6.5V to 65V Wide Supply Voltage Range
o 666mA HB LED Current
o Digital PWM Dimming Control
o Analog Dimming Control
o Thermal-Foldback and Temperature-Simulation
Circuit
o Demonstrates a Thermally Optimized PCB Layout
Design
The MAX16832C EV kit can be configured for digital
pulse-width modulation (PWM) dimming operation
using a digital PWM input signal. The EV kit circuit also
features a thermal-foldback and temperature-simulation
circuit feature. The MAX16832C EV kit is a fully assem-
bled and tested surface-mount board. Additionally, the
PCB layout design has been maximized for optimum
thermal dissipation. The MAX16832C EV kit can also
evaluate a MAX16832A after replacing the IC, which
can be ordered from the number listed below.
o Evaluates MAX16832A (IC Replacement Required)
o Lead-Free and RoHS Compliant
o Fully Assembled and Tested
Ordering Information
PART
TYPE
MAX16832CEVKIT+
EV Kit
Warning: Voltages exceeding 42V could exist on the
LED+ and LED- output pads.
+Denotes lead-free and RoHS compliant.
Component List
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
0.300Ω 1ꢀ, 0.5W sense resistor
(1206)
1µF 10ꢀ, 100V XꢁR ceramic
capacitor (1210)
R1
1
C1
1
IRC LRC-LRF1206LF-01-R300-F
Murata GRM32CRꢁ2A105K
R2
R3
1
1
1
1
1
100kΩ 10ꢀ potentiometer
20kΩ 5ꢀ resistor (0805)
100kΩ 5ꢀ resistor (0805)
PC mini red test point
0.01µF 10ꢀ, 50V XꢁR ceramic
capacitor (0603)
Murata GRM188Rꢁ1H103K
C2
C3
D1
1
0
1
R4
Not installed, ceramic capacitor
(1210)
TP1
TP2
PC mini black test point
100V, 2A Schottky rectifier (SMA)
Central Semi CMSH2-100M
(Top Mark: CS2100M)
Step-down HB LED driver
(8 SO-EP*)
Maxim MAX16832CASA+
U1
1
JU1, JU2
L1
2
1
2-pin headers
—
2
1
Shunts (JU1, JU2)
220µH, 1.28A inductor
Coilcraft MSS1260-224KLB
—
PCB: MAX16832C Evaluation Kit+
*EP = Exposed pad.
Component Suppliers
SUPPLIER
PHONE
WEBSITE
Central Semiconductor Corp
Coilcraft, Inc.
631-435-1110
84ꢁ-639-6400
361-992-ꢁ900
ꢁꢁ0-436-1300
www.centralsemi.com
www.coilcraft.com
IRC, Inc
www.irctt.com
Murata Electronics North America, Inc.
www.murata-northamerica.com
Note: Indicate that you are using the MAX16832C when contacting these component suppliers.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.