LP5522TMEV National Semiconductor, LP5522TMEV Datasheet
![no-image](/images/manufacturer_photos/0/4/469/national_semiconductor_sml.jpg)
LP5522TMEV
Specifications of LP5522TMEV
Related parts for LP5522TMEV
LP5522TMEV Summary of contents
Page 1
... Very small micro SMD package together with minimum number of external components is a best fit for handheld devices. Figure 1. LP5522 Evaluation board with USB interface board © 2007 National Semiconductor Corporation National Semiconductor AN-1636 Anssi Raisanen ...
Page 2
Evaluation Software LP5522 evaluation software (LP5522.exe) is supplied on the delivery CD together with all available documentation regard- ing the circuit. Copy the LP5522.exe an the usblptio.dll to your PC’s hard disk. The usblptio.dll needs the same ...
Page 3
Evaluation Hardware The evaluation board has the LP5522 circuit with the neces- sary external components placed around it. Test points for the circuit pins are on the board. USB interface card can supply the VDD voltage. If external power supply ...
Page 4
USB Interface The USB interface forms the connection between the PC and the evaluation system. It converts the commands from PC to one wire interface used in LP5522. It also provides the supply voltage for the evaluation board. Interface board ...
Page 5
Getting Started The following instructions show how to use the LP5522 eval- uation kit in default conditions with the USB interface board. Please use ESD protection to prevent any unwanted damag- ing ESD events 1. Check the onboard jumpers. VDD ...
Page 6
Figure 7. LP5522 Evaluation Software With Two Blinking Sequences Programmed To The Chip www.national.com 6 30021709 ...
Page 7
Board Layout The evaluation board layers are: 1. Top, component side, signal 2. Bottom, GND plane Figure 8. LP5522 Evaluation Board Layer 1 (Top, Signal). 30021710 Figure 9. LP5522 Evaluation Board Layer 2 (Bottom, GND). 7 30021711 www.national.com ...
Page 8
Figure 10. LP5522 Evaluation Board Schematic 8 30021712 ...
Page 9
List of Components Reference Model C1 100 nF 10V 24kΩ T676 U1 LP5522 Type Vendor Ceramic X5R TDK - - LED Red Osram - NSC 1.215 mm x 0.815 Size 0402 ...
Page 10
... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...