Datasheet > LP8864SQRHBRQ1

LP8864SQRHBRQ1

更新时间： 2024-11-16 02:52:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
86页	3925K
描述
LP8864S-Q1 Automotive Display LED-backlight Driver with Four 150-mA Channels

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

LP8864SQRHBRQ1 数据手册

LP8864S-Q1

www.ti.com

SNVSBD3A – AUGUST 2020 – REVISED FEBRUARY 2021

LP8864S-Q1 Automotive Display LED-backlight Driver with Four 150-mA Channels

1 Features

2 Applications

•

AEC-Q100 qualified for automotive applications:

– Device temperature grade 1:

•

Backlight for:

– Automotive infotainment

– Automotive instrument clusters

– Smart mirrors

–40°C to +125°C, T_A

– Device HBM ESD classification level 2

– Device CDM ESD classification level C4B

Input voltage operating range 3 V to 48 V

Four high-precision current sinks

– Heads-up displays (HUD)

•

3 Description

The LP8864S-Q1 is an automotive high-efficiency

LED driver with boost controller. The Four high-

precision current sinks support phase shifting that is

automatically adjusted based on the number of

channels in use. LED brightness can be controlled

globally through the I²C interface or PWM input.

– Up to 150-mA DC current for each current sink

– Current matching 1% (typical)

– Dimming ratio 32 000:1 using 152-Hz LED

output PWM frequency

– Up to 16-bit LED dimming resolution with I2C,

or PWM input

The boost controller has adaptive output voltage

control based on the headroom voltages of the LED

current sinks. This feature minimizes the power

consumption by adjusting the boost voltage to the

lowest sufficient level in all conditions. A wide-range

adjustable frequency allows the LP8864S-Q1 to avoid

disturbance for AM radio band.

– 8 Configurable LED strings configuration

Auto-phase shift PWM dimming

12-bit analog dimming

Up to 48-V V_OUTboost or SEPIC DC/DC controller

– Switching frequency 100 kHz to 2.2 MHz

– Boost spread spectrum for reduced EMI

– Boost sync input to set boost switching

frequency from an external clock

•

The LP8864S-Q1 supports built-in hybrid PWM

dimming and analog current dimming, which reduces

EMI, extends the LED lifetime, and increases the total

optical efficiency.

– Output voltage automatically discharged when

boost is disabled

Extensive fault diagnostics

•

Device Information

PART NUMBER⁽¹⁾

PACKAGE

HTSSOP (38)

QFN (32)⁽²⁾

BODY SIZE (NOM)

9.70 mm × 4.40 mm

5 mm × 5 mm

LP8864S-Q1

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

(2) Product preview.

V_OUT= 29 V

V_OUT= 36 V

V_OUT= 42 V

V_OUT= 46 V

Brightness (%)

80 90 100

D007

System Efficiency

Simplified Schematic

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Product Folder Links: LP8864S-Q1

Submit Document Feedback

12 3 4 5 6 7...86

中文翻译

下载PDF

与LP8864SQRHBRQ1相关器件

型号	品牌	获取价格	描述	数据表
LP-88-65	BEL	获取价格	Split Bobbin Power Transformer, 6VA, ROHS COMPLIANT
LP88-65	SUPERWORLD	获取价格	POWER TRANSFORMER
LP88-65B17	PULSE	获取价格	Laminated Transformers
LP8865UQDMTRQ1	TI	获取价格	具有灵活调光选项的汽车类 65V 2A 升压 LED 驱动器 \| DMT \| 14 \| -
LP8865VQDMTRQ1	TI	获取价格	具有灵活调光选项的汽车类 65V 2A 降压/升压 LED 驱动器 \| DMT \| 14
LP8865W-Q1	TI	获取价格	具有灵活调光选项的汽车类 65V 2A 降压 LED 驱动器
LP8865WQDMTRQ1	TI	获取价格	具有灵活调光选项的汽车类 65V 2A 降压 LED 驱动器 \| DMT \| 14 \| -
LP8865XQDMTRQ1	TI	获取价格	具有调光选项并启用展频功能的汽车类 65V、2A 升压 LED 驱动器 \| DMT \| 1
LP8865YQDMTRQ1	TI	获取价格	具有灵活调光选项并启用展频功能的汽车类 65V 2A 降压/升压 LED 驱动器 \| DM
LP8865ZQDMTRQ1	TI	获取价格	具有灵活调光选项和展频功能的汽车类 65V 2A 降压 LED 驱动器 \| DMT \| 1

与LP8864SQRHBRQ1相关文章

解析光耦仿真器：升级光耦合器技术的必要性
2024-11-18

6
英伟达新一代Blackwell GPU过热问题致交付延迟
2024-11-18

3
国产厂商思特威CMOS图像传感器芯片单月出货超1亿颗，技术创新引领行业发展
2024-11-14

29
台积电5nm和3nm产能利用率达100%，半导体行业景气度持续攀升
2024-11-14

12

产品中心

服务支持

精选活动

关于我们

帮助中心

LP8864SQRHBRQ1

LP8864SQRHBRQ1 数据手册

与LP8864SQRHBRQ1相关器件

与LP8864SQRHBRQ1相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

LP8864SQRHBRQ1

LP8864SQRHBRQ1 数据手册

与LP8864SQRHBRQ1相关器件

与LP8864SQRHBRQ1相关文章

您还可以找

您在本页遇到什么问题？