Related Manuals for Texas Instruments LM36274
Summary of Contents for Texas Instruments LM36274
- Page 1 Using the LM36274 Evaluation Module User's Guide Literature Number: SNVU512 February 2016...
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Page 2: Table Of Contents
I2C Communication Block ....................SWR RESET Button ..................... Backlight Operation ....................VPOS/VNEG Operation ......................Flags Register ..................General Register Read/Write ......................6.10 GPIO Controls Table of Contents SNVU512 – February 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 3 Bottom Routing ..................LM36274 General User Interface ..................LM36274 Register Control View ..................LM36274 Backlight Control View ..................LM36274 LCD Bias Control View ....................C Communication Fields ..................Backlight Enable Register Fields ..............LCM Display Bias Configuration1 Register Fields .......................
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Page 4: Introduction
Introduction The Texas Instruments LM36274EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LM36274 Backlight + Bias Power. The device offers configurability via I compatible interface. Both blocks can be enabled via the I C interface. In addition, the LCM Bias functions can be enabled externally using the LCM_EN pins. -
Page 5: Setup
“2”, 3 LEDs on location “3” and so on. For example, placing the jumpers as shown on Figure configures string 2 with 6 LEDs and string 1 with 7 LEDs. Figure 2. Backlight LED Configuration Example SNVU512 – February 2016 LM36274EVM User's Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 6: Setup
10 Ω. Setup The input voltage range for the LM36274 is 2.7 V to 5 V. The on-board backlight LEDs should be connected, and the jumpers should be properly configured for proper operation. This is the recommended setting, using shorting blocks: •... -
Page 7: Lm36274Evm Recommended Jumper Placement
Setup www.ti.com Figure 3. LM36274EVM Recommended Jumper Placement SNVU512 – February 2016 LM36274EVM User's Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 8: Schematic
D208 D308 D408 White White White White GNDS RB1S RB2S RB3S RB4S BLED1 10.0 10.0 10.0 10.0 JB1S BLED2 JB2S JB3S JB4S BLED3 BLED4 LM36274EVM User's Guide SNVU512 – February 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 9: Bill Of Materials (Bom)
SML312WBCW1 D407 LED, White, SMD Rohm SML312WBCW1 D408 LED, White, SMD Rohm SML312WBCW1 Diode, Schottky, 30 V, 0.5 A, 0402 Diode ON Semi NSR05F30NXT5G SNVU512 – February 2016 LM36274EVM User's Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 10 RES, 1.0 k, 5%, 0.1 W, 0603 Vishay-Dale CRCW06031K00JNEA RSDA RES, 1.0 k, 5%, 0.1 W, 0603 Vishay-Dale CRCW06031K00JNEA SH-BD Shunt, 100mil, Gold plated, Black 969102-0000-DA LM36274EVM User's Guide SNVU512 – February 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
- Page 11 Test Point, Compact, Red, TH Keystone 5005 VINBL Standard Banana Jack, Insulated, Red Keystone 6091 VINLCM BANANA JACK, 15A, Insulated, Nylon,Yellow Emerson Network 108-0907-001 Power SNVU512 – February 2016 LM36274EVM User's Guide Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated...
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Page 12: Board Layout
Figure 5. Bottom Assembly Layer Figure 6. Top Layer Routing Figure 7. Middle Layer 1 Routing Figure 8. Middle Layer 2 Routing Figure 9. Bottom Routing LM36274EVM User's Guide SNVU512 – February 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 13: Compatible Interface Program
Once connected, and the program is executed, a basic interface window will open. Figure 10 shows the software interface upon start-up. The GUI is configured in register blocks. Please refer to the Register Maps section of the LM36274 data sheet (SNVSAC0) for register configuration details. Figure 10. LM36274 General User Interface SNVU512 –... -
Page 14: Gui Controls
GUI should say “No error” or “Success” if the write command was properly received and the backlight LEDs should glow. Note: The default backlight OVP setting for the LM36274 is 21 V, so under default settings the backlight boost circuit operates in OVP mode, and the light is dim. Refer Section 6.6... -
Page 15: Lm36274 Register Control View
11) and "LCD Bias” (Figure 11). The left side of these tabs contains the controls for the corresponding block of the LM36274. The right side contains register controls and functions that are common to both blocks. Similarly to the Registers View control, the LM36274 GUI provides the ability to execute the I C write commands immediately (one click execution) if the “Auto Write Registers”... -
Page 16: Lm36274 Backlight Control View
USB Interface Board and I C-Compatible Interface Program www.ti.com Figure 12. LM36274 Backlight Control View LM36274EVM User's Guide SNVU512 – February 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 17: Saving And Loading Register Settings
Saving and Loading Register Settings The LM36274 EVM GUI software provides the option to save all register settings and re-load them. The user can configure the registers and select “Save” in the “Registers” window of the GUI or can use the "Save Registers"... -
Page 18: Swr Reset Button
Figure 16. LCM Display Bias Configuration1 Register Fields Flags Register Register 0x0F (right side of GUI) contain the fault and flag bits of the LM36274. Some bits are report only while others are fault bits (see LM36274 datasheet (SNVSAC0) for fault/flag definitions and options). -
Page 19: General Register Read/Write
The LM36274EVM provides the user with the capability to control the PWM, LCMEN1, and LCMEN2 inputs of the LM36274 without the need of an external supply. In order for the signals to be applied to the corresponding LM36274 input pin(s) the appropriate jumpers need to be placed (see Section 2.1... - Page 20 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
- Page 21 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 22 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
- Page 23 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2015, Texas Instruments Incorporated...
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Page 24: Important Notice
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. - Page 25 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments LM36274EVM...
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