Texas Instruments DLP NIRscan EVM, User Manual

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Other Items Needed for Operation
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14 DLPU016C – April 2014 – Revised April 2019
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DLP NIRscan Evaluation Module Overview
Table 1-2. DLP NIRscan EVM Components
Electronics Device Number Description
DLP chipset
DLPC350 Controller for the DLP4500 family of DMDs
DLPC4500NIR DMD
Embedded processor AM3358 Sitara processor
Analog chain for detector
ADS1255 24-bit, 30 kSPS very-low noise delta-sigma ADC
OPA2376 Precision, low noise, low quiescent current operation amplifier
Analog chain for TEC driver
and lamp driver
OPA569 Power operational amplifier, output signal swings within 200 mV of rails at 2-A output
INA330 Thermistor signal amplifier for temperature control
OPA340 Micro operational amplifier for PID control of TEC driver
Power management
TPS65217C Single-chip PMIC for battery-powered systems for AM3358, DDR3
TPS65145
4-channel LCD bias with fully-integrated positive charge pump, 3.3-V LDO controller for
DLP4500NIR power
TPS73025 Single output LDO, 200 mA, fixed (2.5 V), high PSRR, low noise for DLP4500NIR power
TPS65251 PMU with three DC-to-DC converters, up to 18-Vin for DLPC350 power
TPS79718
Single output LDO, 50 mA, fixed (1.8 V), low quiescent current, Powergood out for
DLPC350 power
TLV61230 5-V supply for USB and input to TPS65217
TLV61230 3.3-V supply
REF5025 Low noise, very-low drift, precision voltage reference for TEC and ADC references
TPS71750 5-V analog supply for ADC and TEC
TPS71733 3.3-V analog supply for ADC
ESD protection TPD4S012 4-channel USB ESD solution with power clamp
1.3 Other Items Needed for Operation
The DLP NIRscan EVM spectrometer is a flexible, ready-to-use EVM. However, the DLP NIRscan EVM
does not ship with cables, power supply, or additional hardware components. To use the EVM, the user
needs:
• Power supply:
– Nominal voltage: 12-V DC
– Typical current: 3 A
– Maximum current: 5 A
– DC connector size:
• Inner diameter: 2.5 mm
• Outer diameter: 5.5 mm
• Shaft: 9.5-mm female, center positive
– Efficiency level: V
– A recommended power supply is Digi-Key
®
part number 271-2718-ND , or equivalent
• USB cable: A-to-mini-B USB cable
• External laptop, desktop, or personal computer
1.4 DLP NIRscan Connections
Figure 1-7 and Figure 1-8 depict the connectors with their respective locations. No cables, nor power
supply are included with the unit. Only connection 8 and connection 14 or 7 are required for typical
operation. All of the connections are listed for completeness in
Table 1-3 .