没有合适的资源?快使用搜索试试~ 我知道了~
TI-TLC6C5712-Q1.pdf
需积分: 9 0 下载量 130 浏览量
2022-11-16
23:51:17
上传
评论 5
收藏 2.12MB PDF 举报
温馨提示
试读
69页
TI-TLC6C5712-Q1.pdf
资源推荐
资源详情
资源评论
3-V to 5.5-V
Supply Voltage
GND
OUT0
TLC6C5712-Q1
IREF
SDI
SCK
V
(SUPPLY)
V
CC
V
F
OUT11
SENSE
LATCH
OUT1
SDO
R
(IREF)
ERR
PWM5
PWM0
OUT10
OUT9
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
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.
English Data Sheet: SLVSCO9
TLC6C5712-Q1
ZHCSEM2A –AUGUST 2015–REVISED AUGUST 2015
TLC6C5712-Q1 具具有有 8 位位点点校校正正功功能能的的 12 通通道道全全套套诊诊断断、、恒恒定定灌灌电电流流
LED 驱驱动动器器
1
1 特特性性
1
• 适用于汽车电子 应用
• 符合 AEC-Q100 标准
– 器件温度等级 1:环境运行温度范围为 -40°C
至 125°C
– 器件人体放电模式 (HBM) 静电放电 (ESD) 分类
等级 H3A
– 器件组件充电模式 (CDM) ESD 分类等级 C4B
• 12 条功率双扩散金属氧化物半导体 (DMOS) 晶体
管输出通道
– 最大恒定电流高达 75mA,可通过外部电阻进行
编程
– 最高输出电压高达 7V
– 最高压降电压:
– 50mA 时为 0.75V/通道
– 75mA 时为 1.2V/通道
• 出色的输出恒流精度:
– 通道间的差异:< ±3%(最大值)
– 器件间的差异:< ±3%(最大值)
– 每通道 8 位、256 步长线性点校正
• 支持灵活的外部脉宽调制 (PWM) 调光
– 6 个具有频率监控功能的 PWM 输入
– 通过串行外设接口 (SPI) 实现可编程通道映射
• 保护和诊断
– 相邻引脚短路检测
– 在激活和禁用状态下可检测开路负载、短接至地
以及发光二极管 (LED) 短路
– 热预警与热关断
– 开漏错误报告
– LED 弱电源诊断
– 参考电阻开路或短路检测与保护
– 通过 SPI 寄存器锁定实现内容保护
– SPI 完整性诊断的强制错误
• 小型热有效的 28 引脚散热薄型小外形尺寸
(HTSSOP) 封装 PowerPAD™封装
2 应应用用范范围围
• 仪表板信号装置指示灯
• 面板及按钮背光照明
• 条形图 LED
• 变速器 PRNDL 档位指示灯
• 连续转向指示灯
3 说说明明
在汽车仪表板及其他安全性能至关重要的 LED 驱动器
应用中,为了确保 LED 亮度与色温的一致性,针对多
通道 LED 的性能需求日益提升。系统级安全考量因素
要求检测各种故障情况,因此会加深系统的复杂程度。
TLC6C5712-Q1 器件是一款 12 通道恒定灌电流 LED
驱动器。凭借 8 位点校正功能和高精度输出电
流,TLC6C5712-Q1 器件成为校正 LED 亮度和色温变
化的理想解决方案。该器件针对每个组件提供高级保护
和诊断功能,可提升系统级稳定性并简化面向安全的设
计。六个具有可编程映射功能的 PWM 输入支持多种
LED 颜色调光配置并提供高调光比率。具有诊断功能
的 16 位串行外设接口 (SPI) 支持以菊花链方式连接多
个器件并简化系统级设计。
器器件件信信息息
(1)
器器件件型型号号 封封装装 封封装装尺尺寸寸((标标称称值值))
TLC6C5712-Q1 HTSSOP (28) 4.40mm x 9.70mm
(1) 要了解所有可用封装,请见数据表末尾的可订购产品附录。
典典型型应应用用电电路路原原理理图图
2
TLC6C5712-Q1
ZHCSEM2A –AUGUST 2015–REVISED AUGUST 2015
www.ti.com.cn
Copyright © 2015, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用范范围围................................................................... 1
3 说说明明.......................................................................... 1
4 修修订订历历史史记记录录 ........................................................... 2
5 Pin Configuration and Functions......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information.................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements................................................ 7
6.7 Switching Characteristics.......................................... 7
6.8 Typical Characteristics.............................................. 9
7 Detailed Description............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagram ....................................... 11
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 21
7.5 Register Maps......................................................... 22
8 Application and Implementation ........................ 55
8.1 Application Information............................................ 55
8.2 Typical Applications ................................................ 55
9 Power Supply Recommendations...................... 58
10 Layout................................................................... 58
10.1 Layout Guidelines ................................................. 58
10.2 Layout Example .................................................... 59
11 器器件件和和文文档档支支持持 ..................................................... 60
11.1 文档支持................................................................ 60
11.2 社区资源................................................................ 60
11.3 商标 ....................................................................... 60
11.4 静电放电警告......................................................... 60
11.5 Glossary................................................................ 60
12 机机械械、、封封装装和和可可订订购购信信息息....................................... 60
4 修修订订历历史史记记录录
注:之前版本的页码可能与当前版本有所不同。
Changes from Original (December 2014) to Revision A Page
• 已发布完整版数据表 ............................................................................................................................................................... 1
Thermal
Pad
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
V
CC
IREF
PGND
SENSE
OUT11
OUT10
OUT9
OUT8
OUT7
OUT6
PWM5
PWM4
PWM3
SCK
SDI
LATCH
SDO
ERR
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
PWM0
PWM1
PWM2
3
TLC6C5712-Q1
www.ti.com.cn
ZHCSEM2A –AUGUST 2015–REVISED AUGUST 2015
Copyright © 2015, Texas Instruments Incorporated
5 Pin Configuration and Functions
PWP Package
28-Pin HTSSOP PowerPAD Package
Top View
Pin Functions
PIN
I/O DESCRIPTION
NAME NO.
ERR 5 O Error output, open-drain output, active-low
GND 28 — Device ground
IREF 26 I Connect an external resistor to GND for setting the full-scale current.
LATCH 3 I Latch enable
OUT0 6 O Open-drain output
OUT1 7 O Open-drain output
OUT2 8 O Open-drain output
OUT3 9 O Open-drain output
OUT4 10 O Open-drain output
OUT5 11 O Open-drain output
OUT6 18 O Open-drain output
OUT7 19 O Open-drain output
OUT8 20 O Open-drain output
OUT9 21 O Open-drain output
OUT10 22 O Open-drain output
OUT11 23 O Open-drain output
PGND 25 — Ground for output power
PWM0 12 I PWM dimming input 0
PWM1 13 I PWM dimming input 1
PWM2 14 I PWM dimming input 2
PWM3 15 I PWM dimming input 3
PWM4 16 I PWM dimming input 4
PWM5 17 I PWM dimming input 5
SCK 1 I SPI clock
SDI 2 I Serial-data input
SDO 4 O Serial-data output
SENSE 24 I Sense input (LED supply-voltage monitor)
V
CC
27 I Power supply
4
TLC6C5712-Q1
ZHCSEM2A –AUGUST 2015–REVISED AUGUST 2015
www.ti.com.cn
Copyright © 2015, Texas Instruments Incorporated
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are measured relative to GND.
6 Specifications
6.1 Absolute Maximum Ratings
over operating ambient temperature range. Voltages referenced with respect to GND (unless otherwise noted)
(1)(2)
MIN MAX UNIT
Input voltage
V
CC
–0.3 7
VIREF, LATCH, PWMx, SCK, SDI –0.3 V
CC
SENSE –0.3 10
Output voltage
ERR open-drain output –0.3 7
VOUTx power DMOS drain-to-source voltage –0.3 10
SDO –0.3 V
CC
Ground PGND –0.3 0.3 V
Operating ambient temperature, T
A
–40 125 °C
Operating junction temperature, T
J
–40 150 °C
Storage temperature range, T
stg
–55 150 °C
(1) AEC Q100-002 indicates HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.
6.2 ESD Ratings
VALUE UNIT
V
(ESD)
Electrostatic
discharge
Human body model (HBM), per AEC Q100-002
(1)
±2000 V
Charged device model (CDM), per AEC Q100-011
All pins ±500
V
Corner pins (1, 14, 15, and 28) ±750
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
V
CC
Supply input voltage 3 5.5 V
V
I
Input voltage
LATCH, PWMx, SCK, SDI, SDO 0 5.5
V
ERR, SENSE 0 7
V
O
Output voltage OUTx for x = 0 to 11 0.5 7 V
V
IL
Input logic-low voltage LATCH, PWMx, SCK, SDI 0.28 V
CC
0.3 V
CC
0.33 V
CC
V
V
IH
Input logic-high voltage LATCH, PWMx, SCK, SDI 0.38 V
CC
0.4 V
CC
0.43 V
CC
V
T
A
Ambient operating temperature –40 125 ºC
T
J
Junction operating temperature –40 150 ºC
5
TLC6C5712-Q1
www.ti.com.cn
ZHCSEM2A –AUGUST 2015–REVISED AUGUST 2015
Copyright © 2015, Texas Instruments Incorporated
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.4 Thermal Information
THERMAL METRIC
(1)
TLC6C5712-Q1
UNITPWP (HTSSOP)
28 PINS
R
θJA
Junction-to-ambient thermal resistance 39 °C/W
R
θJC(top)
Junction-to-case (top) thermal resistance 19.5 °C/W
R
θJB
Junction-to-board thermal resistance 16.1 °C/W
ψ
JT
Junction-to-top characterization parameter 0.5 °C/W
ψ
JB
Junction-to-board characterization parameter 15.9 °C/W
R
θJC(bot)
Junction-to-case (bottom) thermal resistance 1.7 °C/W
6.5 Electrical Characteristics
T
A
= 25°C, over recommended operating conditions (unless otherwise specified)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLIES (V
CC
, PGND, GND)
I
CC
Supply current
V
CC
= 5 V, PWM = H, R
REF
= 20.5 kΩ 3 4.5
mA
V
CC
= 3.3 V 2.5 4
V
(POR-rising)
Power-on reset voltage, rising Rising threshold 2.6 2.7 2.8 V
V
(POR-falling)
Power-on reset voltage, falling Falling threshold 2.4 2.5 2.6 V
V
(POR-hyst)
POR threshold hysteresis 0.2 V
LOGIC INPUTS (PWMx, SDI, LATCH, SCK)
V
(HYS)
Input logic hysterisis V
CC
= 5 V or 3.3 V 0.1 V
CC
V
I
lkg
Input leakage current V
I
= V
CC
–1 1 µA
R
PU
PWM pullup resistance 105 150 230 kΩ
CONTROL OUTPUTS (ERR, IREF, SDO)
V
(ERR)
ERR pin open-drain voltage drop I
(ERR)
= 4 mA, V
CC
= 3.3 V–5 V 0.1 V
CC
V
I
lkg(ERR)
ERR leakage current V
(ERR)
= 5 V 3 µA
V
(IREF)
IREF voltage R
(IREF)
= 20.5 kΩ 1.204 1.229 1.254 V
V
OH(SDO)
SDO output-high voltage I
(SDO)
= –4 mA 0.9 V
CC
V
V
OL(SDO)
SDO output-low voltage I
(SDO)
= 4 mA 0.1 V
CC
V
OUTPUT STAGE (OUTx)
I
(OUTx,max)
Constant output current
V
(OUTx)
= 0.75 V, R
(IREF)
= 12.2 kΩ,
Dot correction = 255
50
mA
V
(OUTx)
= 1.2 V, R
(IREF)
= 8.13 kΩ,
Dot correction = 255
75
I
(OUTx,min)
Minimum current-sink capability
V
(OUTx)
= 0.75 V, R
REF
= 12.2 kΩ,
dot correction = 255
0.15 0.165 0.18 mA
I
(OUTx,default)
Constant output current
V
(OUTx)
= 0.75 V, reference fault detected,
Dot correction = 255
7.5 10 14 mA
V
(OUT,min)
Minimum output voltage
V
CC
= 3.3 V, R
(IREF)
= 12.2 kΩ, dot correction = 255 0.75
VV
CC
= 5 V, R
(IREF)
= 12.2 kΩ, dot correction = 255 0.5
V
CC
= 5 V, R
(IREF)
= 8.13 kΩ, dot correction = 255 1.2
DNL
Output-current dot-correction
differential nonlinearity
V
CC
= 5 V, R
(IREF)
= 12.2 kΩ, (50-mA maximum output
current)
–0.6 0.6
mA
V
CC
= 5 V, R
(IREF)
= 61 kΩ, (10-mA maximum output
current)
–0.08 0.08
ΔI
(OUTx)
Output current absolute error
percentage
V
(OUTx)
= 0.75 V, R
(IREF)
= 12.2 kΩ (50 mA), dot
correction = 255
–3% 3%
V
(OUTx)
= 0.75 V, R
(IREF)
= 20.5 kΩ (30 mA), dot
correction = 255
–3% 3%
V
(OUTx)
= 0.75 V, R
(IREF)
= 61 kΩ (10 mA), dot
correction = 255
–7.5% 7.5%
V
(OUTx)
= 1.2 V, R
(IREF)
= 8.13 kΩ (75 mA), dot
correction = 255
–3% 3%
剩余68页未读,继续阅读
资源评论
不觉明了
- 粉丝: 3166
- 资源: 5429
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功