JAJSF10C
October 2018 – July 2024
LP5018
,
LP5024
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
概要 (続き)
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Control for Each Channel
7.3.1.1
Independent Color Mixing Per RGB LED Module
7.3.1.2
Independent Intensity Control Per RGB LED Module
7.3.1.2.1
Intensity-Control Register Configuration
7.3.1.2.2
Logarithmic- or Linear-Scale Intensity Control
7.3.1.3
12-Bit, 29-kHz PWM Generator Per Channel
7.3.1.3.1
PWM Generator
7.3.1.4
PWM Phase-Shifting
7.3.2
LED Bank Control
7.3.3
Current Range Setting
7.3.4
Automatic Power-Save Mode
7.3.5
Protection Features
7.3.5.1
Thermal Shutdown
7.3.5.2
UVLO
7.4
Device Functional Modes
7.5
Programming
7.5.1
I2C Interface
7.5.1.1
Data Validity
7.5.1.2
Start and Stop Conditions
7.5.1.3
Transferring Data
7.5.1.4
I2C Slave Addressing
7.5.1.5
Control-Register Write Cycle
7.5.1.6
Control-Register Read Cycle
7.5.1.7
Auto-Increment Feature
7.6
Register Maps
7.6.1
DEVICE_CONFIG0 (Address = 0h) [reset = 0h]
7.6.2
DEVICE_CONFIG1 (Address = 1h) [reset = 3Ch]
7.6.3
LED_CONFIG0 (Address = 2h) [reset = 00h]
7.6.4
BANK_BRIGHTNESS (Address = 3h) [reset = FFh]
7.6.5
BANK_A_COLOR (Address = 4h) [reset = 00h]
7.6.6
BANK_B_COLOR (Address = 5h) [reset = 00h]
7.6.7
BANK_C_COLOR (Address = 6h) [reset = 00h]
7.6.8
LED0_BRIGHTNESS (Address = 7h) [reset = FFh]
7.6.9
LED1_BRIGHTNESS (Address = 8h) [reset = FFh]
7.6.10
LED2_BRIGHTNESS (Address = 9h) [reset = FFh]
7.6.11
LED3_BRIGHTNESS (Address = 0Ah) [reset = FFh]
7.6.12
LED4_BRIGHTNESS (Address = 0Bh) [reset = FFh]
7.6.13
LED5_BRIGHTNESS (Address = 0Ch) [reset = FFh]
7.6.14
LED6_BRIGHTNESS (Address = 0Dh) [reset = FFh]
7.6.15
LED7_BRIGHTNESS (Address = 0Eh) [reset = FFh]
7.6.16
OUT0_COLOR (Address = 0Fh) [reset = 00h]
7.6.17
OUT1_COLOR (Address = 10h) [reset = 00h]
7.6.18
OUT2_COLOR (Address = 11h) [reset = 00h]
7.6.19
OUT3_COLOR (Address = 12h) [reset = 00h]
7.6.20
OUT4_COLOR (Address = 13h) [reset = 00h]
7.6.21
OUT5_COLOR (Address = 14h) [reset = 00h]
7.6.22
OUT6_COLOR (Address = 15h) [reset = 00h]
7.6.23
OUT7_COLOR (Address = 16h) [reset = 00h]
7.6.24
OUT8_COLOR (Address = 17h) [reset = 00h]
7.6.25
OUT9_COLOR (Address = 18h) [reset = 00h]
7.6.26
OUT10_COLOR (Address = 19h) [reset = 00h]
7.6.27
OUT11_COLOR (Address = 1Ah) [reset = 00h]
7.6.28
OUT12_COLOR (Address = 1Bh) [reset = 00h]
7.6.29
OUT13_COLOR (Address = 1Ch) [reset = 00h]
7.6.30
OUT14_COLOR (Address = 1Dh) [reset = 00h]
7.6.31
OUT15_COLOR (Address = 1Eh) [reset = 00h]
7.6.32
OUT16_COLOR (Address = 1Fh) [reset = 00h]
7.6.33
OUT17_COLOR (Address = 20h) [reset = 00h]
7.6.34
OUT18_COLOR (Address = 21h) [reset = 00h]
7.6.35
OUT19_COLOR (Address = 22h) [reset = 00h]
7.6.36
OUT20_COLOR (Address = 23h) [reset = 00h]
7.6.37
OUT21_COLOR (Address = 24h) [reset = 00h]
7.6.38
OUT22_COLOR (Address = 25h) [reset = 00h]
7.6.39
OUT23_COLOR (Address = 26h) [reset = 00h]
7.6.40
RESET (Address = 27h) [reset = 00h]
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Related Links
9.2
ドキュメントの更新通知を受け取る方法
9.3
サポート・リソース
9.4
Trademarks
9.5
静電気放電に関する注意事項
9.6
用語集
10
Revision History
11
Mechanical, Packaging, and Orderable Information
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)
DGS|28
MPSS139
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
jajsf10c_oa
jajsf10c_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 個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色混合レジスタ
RGB LED モジュールごとに独立の輝度制御レジスタ
対数的または線形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
最大 400kHz のファスト モード I
2
C 速度