JAJSF10B
October 2018 – October 2018
LP5018
,
LP5024
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
概略回路図
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
PWM Control for Each Channel
8.3.1.1
Independent Color Mixing Per RGB LED Module
8.3.1.2
Independent Intensity Control Per RGB LED Module
8.3.1.2.1
Intensity-Control Register Configuration
8.3.1.2.2
Logarithmic- or Linear-Scale Intensity Control
8.3.1.3
12-Bit, 29-kHz PWM Generator Per Channel
8.3.1.3.1
PWM Generator
8.3.1.4
PWM Phase-Shifting
8.3.2
LED Bank Control
8.3.3
Current Range Setting
8.3.4
Automatic Power-Save Mode
8.3.5
Protection Features
8.3.5.1
Thermal Shutdown
8.3.5.2
UVLO
8.4
Device Functional Modes
8.5
Programming
8.5.1
I2C Interface
8.5.1.1
Data Validity
8.5.1.2
Start and Stop Conditions
8.5.1.3
Transferring Data
8.5.1.4
I2C Slave Addressing
8.5.1.5
Control-Register Write Cycle
8.5.1.6
Control-Register Read Cycle
8.5.1.7
Auto-Increment Feature
8.6
Register Maps
8.6.1
DEVICE_CONFIG0 (Address = 0h) [reset = 0h]
Table 6.
DEVICE_CONFIG0 Register Field Descriptions
8.6.2
DEVICE_CONFIG1 (Address = 1h) [reset = 3Ch]
Table 7.
DEVICE_CONFIG1 Register Field Descriptions
8.6.3
LED_CONFIG0 (Address = 2h) [reset = 00h]
Table 8.
LED_CONFIG0 Register Field Descriptions
8.6.4
BANK_BRIGHTNESS (Address = 3h) [reset = FFh]
Table 9.
BANK_BRIGHTNESS Register Field Descriptions
8.6.5
BANK_A_COLOR (Address = 4h) [reset = 00h]
Table 10.
BANK_A_COLOR Register Field Descriptions
8.6.6
BANK_B_COLOR (Address = 5h) [reset = 00h]
Table 11.
BANK_B_COLOR Register Field Descriptions
8.6.7
BANK_C_COLOR (Address = 6h) [reset = 00h]
Table 12.
BANK_C_COLOR Register Field Descriptions
8.6.8
LED0_BRIGHTNESS (Address = 7h) [reset = FFh]
Table 13.
LED0_BRIGHTNESS Register Field Descriptions
8.6.9
LED1_BRIGHTNESS (Address = 8h) [reset = FFh]
Table 14.
LED1_BRIGHTNESS Register Field Descriptions
8.6.10
LED2_BRIGHTNESS (Address = 9h) [reset = FFh]
Table 15.
LED2_BRIGHTNESS Register Field Descriptions
8.6.11
LED3_BRIGHTNESS (Address = 0Ah) [reset = FFh]
Table 16.
LED3_BRIGHTNESS Register Field Descriptions
8.6.12
LED4_BRIGHTNESS (Address = 0Bh) [reset = FFh]
Table 17.
LED4_BRIGHTNESS Register Field Descriptions
8.6.13
LED5_BRIGHTNESS (Address = 0Ch) [reset = FFh]
Table 18.
LED5_BRIGHTNESS Register Field Descriptions
8.6.14
LED6_BRIGHTNESS (Address = 0Dh) [reset = FFh]
Table 19.
LED6_BRIGHTNESS Register Field Descriptions
8.6.15
LED7_BRIGHTNESS (Address = 0Eh) [reset = FFh]
Table 20.
LED7_BRIGHTNESS Register Field Descriptions
8.6.16
OUT0_COLOR (Address = 0Fh) [reset = 00h]
Table 21.
OUT0_COLOR Register Field Descriptions
8.6.17
OUT1_COLOR (Address = 10h) [reset = 00h]
Table 22.
OUT1_COLOR Register Field Descriptions
8.6.18
OUT2_COLOR (Address = 11h) [reset = 00h]
Table 23.
OUT2_COLOR Register Field Descriptions
8.6.19
OUT3_COLOR (Address = 12h) [reset = 00h]
Table 24.
OUT3_COLOR Register Field Descriptions
8.6.20
OUT4_COLOR (Address = 13h) [reset = 00h]
Table 25.
OUT4_COLOR Register Field Descriptions
8.6.21
OUT5_COLOR (Address = 14h) [reset = 00h]
Table 26.
OUT5_COLOR Register Field Descriptions
8.6.22
OUT6_COLOR (Address = 15h) [reset = 00h]
Table 27.
OUT6_COLOR Register Field Descriptions
8.6.23
OUT7_COLOR (Address = 16h) [reset = 00h]
Table 28.
OUT7_COLOR Register Field Descriptions
8.6.24
OUT8_COLOR (Address = 17h) [reset = 00h]
Table 29.
OUT8_COLOR Register Field Descriptions
8.6.25
OUT9_COLOR (Address = 18h) [reset = 00h]
Table 30.
OUT9_COLOR Register Field Descriptions
8.6.26
OUT10_COLOR (Address = 19h) [reset = 00h]
Table 31.
OUT10_COLOR Register Field Descriptions
8.6.27
OUT11_COLOR (Address = 1Ah) [reset = 00h]
Table 32.
OUT11_COLOR Register Field Descriptions
8.6.28
OUT12_COLOR (Address = 1Bh) [reset = 00h]
Table 33.
OUT12_COLOR Register Field Descriptions
8.6.29
OUT13_COLOR (Address = 1Ch) [reset = 00h]
Table 34.
OUT13_COLOR Register Field Descriptions
8.6.30
OUT14_COLOR (Address = 1Dh) [reset = 00h]
Table 35.
OUT14_COLOR Register Field Descriptions
8.6.31
OUT15_COLOR (Address = 1Eh) [reset = 00h]
Table 36.
OUT15_COLOR Register Field Descriptions
8.6.32
OUT16_COLOR (Address = 1Fh) [reset = 00h]
Table 37.
OUT16_COLOR Register Field Descriptions
8.6.33
OUT17_COLOR (Address = 20h) [reset = 00h]
Table 38.
OUT17_COLOR Register Field Descriptions
8.6.34
OUT18_COLOR (Address = 21h) [reset = 00h]
Table 39.
OUT18_COLOR Register Field Descriptions
8.6.35
OUT19_COLOR (Address = 22h) [reset = 00h]
Table 40.
OUT19_COLOR Register Field Descriptions
8.6.36
OUT20_COLOR (Address = 23h) [reset = 00h]
Table 41.
OUT20_COLOR Register Field Descriptions
8.6.37
OUT21_COLOR (Address = 24h) [reset = 00h]
Table 42.
OUT21_COLOR Register Field Descriptions
8.6.38
OUT22_COLOR (Address = 25h) [reset = 00h]
Table 43.
OUT22_COLOR Register Field Descriptions
8.6.39
OUT23_COLOR (Address = 26h) [reset = 00h]
Table 44.
OUT23_COLOR Register Field Descriptions
8.6.40
RESET (Address = 27h) [reset = 00h]
Table 45.
OUT14_COLOR Register Field Descriptions
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
デバイスおよびドキュメントのサポート
12.1
関連リンク
12.2
ドキュメントの更新通知を受け取る方法
12.3
コミュニティ・リソース
12.4
商標
12.5
静電気放電に関する注意事項
12.6
Glossary
13
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RSM|32
MPQF195B
サーマルパッド・メカニカル・データ
RSM|32
QFND112H
発注情報
jajsf10b_oa
jajsf10b_pm
1
特長
動作電圧範囲
V
CC
範囲: 2.7V~5.5V
EN、SDA、SCLピンは1.8V、3.3V、5Vの
電源レールに対応
最大出力電圧: 6V
24本の高精度、定電流シンク
V
CC
の全範囲で、チャネルごとに最大25.5mA
V
CC
≥ 3.3Vのとき、チャネルごとに最大35mA
デバイス間誤差: ±7%、チャネル間誤差: ±7%
非常に低い静止電流
シャットダウン・モード:EN LOWで最大値1µA
パワー・セーブ・モード:EN HIGH、すべてのLEDが30msを超えてオフのとき標準値10µA
各チャネルに12ビット、29kHzのPWMジェネレータを内蔵
チャネルごとに独立のカラー混合レジスタ
RGB LEDモジュールごとに独立の輝度制御レジスタ
対数的または直線的スケールの輝度制御を選択可能
3相PWMシフト方式を搭載
3つのプログラム可能バンク(R、G、B)により各色をソフトウェアで簡単に制御
2つの外部ハードウェア・アドレス・ピンにより、最大4つのデバイスに接続可能
ブロードキャスト・スレーブ・アドレスにより、複数のデバイスを同時に構成可能
自動インクリメント機能により、1回の伝送で連続する複数のレジスタを書き込み/読み取り可能
最高400kHzのFast-Mode I
2
C速度