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TI-BQ24392-Q1.pdf
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Copyright © 2017, Texas Instruments Incorporated
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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: SLIS160
BQ24392-Q1
ZHCSD08D –AUGUST 2014–REVISED MARCH 2017
BQ24392-Q1 支支持持 USB 电电池池充充电电规规范范版版本本 1.2 检检测测功功能能的的双双路路 SPST
USB 2.0 高高速速开开关关
1
1 特特性性
1
• 汽车电子 应用认证
• 具有符合 AEC-Q100 的下列结果:
– 器件温度 1 级:-40°C 至 125°C 的环境运行温
度范围
– 器件人体模型 (HBM) 静电放电 (ESD) 分类等级
2
– 器件组件充电模式 (CDM) ESD 分类等级 C4B
• USB 2.0 高速开关
• 检测符合 USB 电池充电规范版本 1.2 (BCv1.2) 的
充电器
• 兼容附件
– 专用充电端口
– 标准下行端口
– 充电下行端口
• 非标准充电器
– Apple™充电器
– TomTom™充电器
– 不符合电池充电规范版本 1.2 (BCv1.2) 的 USB
充电器
• –2V 至 28V VBUS 电压范围
• 静电放电 (ESD) 性能经测试符合 JESD 22 规范
– 4000V 人体放电模式
– 1500V 组件充电模式 (C101)
• 至接地 (GND) 的 ESD 性能 DP_CON/DM_CON
– ±8kV 接触放电 (IEC 61000-4-2)
2 应应用用
• 后座娱乐系统
• GPS 系统
3 说说明明
BQ24392-Q1 是一款具有充电器检测功能的双路单刀
单掷 (SPST) USB 2.0 高速隔离开关,可与 micro-
USB 和 mini-USB 端口搭配使用。凭借这款 USB 开
关,移动电话、平板电脑和其它电池供电型电子设备可
通过不同适配器充电,并且系统软件需求最低。该器件
的充电器检测电路可支持符合 USB 电池充电规范版本
1.2 (BCv1.2) 的 Apple™、TomTom™ 以及其它非标
准充电器。
当 micro-USB 或 mini-USB 端口连接充电器
时,BQ24392-Q1 器件由 VBUS 供电,可承受 28V 电
压,无需外部保护。
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))
BQ24392-Q1 UQFN (10) 2.05mm x 1.55mm
(1) 如需了解所有可用封装,请见数据表末尾的可订购产品附录。
USB 开开关关的的 480Mbps USB 2.0 眼眼图图
2
BQ24392-Q1
ZHCSD08D –AUGUST 2014–REVISED MARCH 2017
www.ti.com.cn
Copyright © 2014–2017, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用.......................................................................... 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.................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics.............................................. 6
7 Detailed Description.............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 8
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 10
8.1 Application Information............................................ 10
8.2 Typical Application ................................................. 11
9 Power Supply Recommendations...................... 12
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 14
11 器器件件和和文文档档支支持持 ..................................................... 15
11.1 社区资源................................................................ 15
11.2 商标 ....................................................................... 15
11.3 静电放电警告......................................................... 15
11.4 Glossary................................................................ 15
12 机机械械、、封封装装和和可可订订购购信信息息....................................... 15
4 修修订订历历史史记记录录
Changes from Revision C (January 2016) to Revision D Page
• 从 BQ24932-Q1 更改为 BQ24392-Q1
说明
............................................................................................................................ 1
• Moved the Storage temperature range to the Absolute Maximum Ratings table. ................................................................. 4
• Changed Handling Ratings To: ESD Ratings......................................................................................................................... 4
• Changed From: BQ24932-Q1 To: BQ24392-Q1 in the Overview ......................................................................................... 7
• Changed title From: Using the BQ24932 GPIOs To: Using the BQ24392-Q1 GPIOs......................................................... 10
Changes from Revision B (January 2015) to Revision C Page
• Changed diode direction from left facing to right facing in Application Schematic. ............................................................. 11
Changes from Revision A (September 2014) to Revision B Page
• 更新了“
特性
”
中的
“
安全及管理批准
”
列表
................................................................................................................................ 1
Changes from Original (August 2014) to Revision A Page
• 最初发布的完整版文档............................................................................................................................................................ 1
1SW_OPEN
2DM_HOST
3DP_HOST
4CHG_AL_N
5GOOD_BAT
6 GND
7 DP_CON
8 DM_CON
9 VBUS
10 CHG_DET
Not to scale
3
BQ24392-Q1
www.ti.com.cn
ZHCSD08D –AUGUST 2014–REVISED MARCH 2017
Copyright © 2014–2017, Texas Instruments Incorporated
5 Pin Configuration and Functions
RSE Package
10-Pin (UQFN)
(Top View)
Pin Functions
PIN
I/O DESCRIPTION
NO. NAME
1 SW_OPEN O
USB switch status indicator
Open-drain output. 10 kΩ external pull-up resistor required
SW_OPEN = LOW indicates when switch is connected
SW_OPEN = HIGH-Z indicates when switch is not connected
2 DM_HOST I/O D– signal to transceiver
3 DP_HOST I/O D+ signal to transceiver
4 CHG_AL_N O
Charging status indicator
Open-drain output. 10 kΩ external pull-up resistor required.
CHG_AL_N = LOW indicates when charging allowed
CHG_AL_N = HIGH-Z indicates when charging is not allowed
5 GOOD_BAT I
Battery status indication from system
This pin indicates the status of the battery
GOOD_BAT = LOW indicates a dead battery
GOOD_BAT = HIGH indicates a good battery
6 GND – Not internally connected
7 DP_CON I/O D+ signal from USB connector
8 DM_CON I/O D– signal from USB connector
9 VBUS I Supply pin from USB connector
10 CHG_DET O
Charger detection indicator
Push-pull output to the system
CHG_DET = LOW indicates when a charger is not detected
CHG_DET = HIGH indicates when a charger detected
4
BQ24392-Q1
ZHCSD08D –AUGUST 2014–REVISED MARCH 2017
www.ti.com.cn
Copyright © 2014–2017, Texas Instruments Incorporated
6 Specifications
6.1 Absolute Maximum Ratings
over –40℃ to 125℃ temperature range (unless otherwise noted)
MIN MAX UNIT
Input Voltage
VBUS –2 28
V
CHG_AL_N –2 28
DM_HOST –0.3 7
DP_HOST –0.3 7
GOOD_BAT –0.3 7
DP_CON –0.3 7
DM_CON –0.3 7
CHG_DET –0.3 7
T
stg
Storage temperature range –65 150 °C
(1) AEC Q100-002 indicates HBM stressing is done 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)
±4000
V
Charged device model (CDM), per AEC
Q100-011
Corner pins (DP_CON and
DM_CON to GND)
±8000
Other pins ±1500
6.3 Recommended Operating Conditions
MIN MAX UNIT
VBUS 4.75 5.25 V
GOOD_BAT 0 VBUS
DM_HOST 0 3.6
DP_HOST 0 3.6
DM_CON 0 3.6
DP_CON 0 3.6
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
6.4 Thermal Information
THERMAL METRIC
(1)
BQ24392-Q1
UNITRSE
10 PINS
R
θJA
Junction-to-ambient thermal resistance 167.7 °C/W
R
θJC(top)
Junction-to-case (top) thermal resistance 78.8 °C/W
R
θJB
Junction-to-board thermal resistance 95.8 °C/W
ψ
JT
Junction-to-top characterization parameter 4.7 °C/W
ψ
JB
Junction-to-board characterization parameter 95.9 v
5
BQ24392-Q1
www.ti.com.cn
ZHCSD08D –AUGUST 2014–REVISED MARCH 2017
Copyright © 2014–2017, Texas Instruments Incorporated
(1) CHG_DET max value will be clamped at 7 V when V
VBUS
> 7 V
6.5 Electrical Characteristics
V
BUS
= 4.5 V to 5.5 V, T
A
= –40°C to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
BUS_VALI
D
VBUS Valid threshold Rising VBUS threshold 3.5 V
V
OH
CHG_DET CHG_DET I
OH
= –2 mA 3.5
VBUS
(1
)
V
V
OL
CHG_DET, SW_OPEN,
CHG_AL_N
CHG_DET,
SW_OPEN,
CHG_AL_N
I
OL
= 2 mA 0.4 V
V
IH
High-level input voltage
GOOD_BAT
1.1 V
V
IL
Low-level input voltage 0.5 V
R
PD
Internal pull-down
resistance
950 kΩ
t
DBP
Dead battery provision timer 32 45 Mins
V
USBIO
Analog signal range
DM_CON,
DP_CON,
DM_HOST,
DP_HOST
0 3.6 V
R
ON
ON-state resistance
V
DM_HOST
and V
DP_HOST
= 0 to 3.6 V, I
DP_CON
and I
DM_CON
= –2 mA
6 8 Ω
R
ON
(flat)
ON-state resistance
flatness
1.1 2.4 Ω
ΔR
ON
ON- state resistance
match between
channels
V
DM_HOST
and V
DP_HOS
T = 0.4 V, I
DP_CON
and
I
DM_CON
= –2 mA
0.5 Ω
I
CC-SW
(ON)
Current consumption
V
VBUS
= 5 V, USB Switch ON;
V
IH(GOOD_BAT)
= 1.1 V
250 350 µA
V
VBUS
= 5 V, USB Switch ON;
V
IH(GOOD_BAT)
= 2.5 V
80 115 µA
I
CC-SW
(OFF)
Current consumption with USB switch off V
VBUS
= 5 V; USB Switch OFF 45 75 µA
I
USBI/O
(ON)
Output port leakage current with USB
switch on
V
I
= OPEN, V
O
= 0.3 V or 2.7 V, Switch ON 50 90 nA
I
USBI/O
(OFF)
Leakage current with USB switch off
V
I
= 0.3 V, V
O
= 2.7 V or V
I
= 2.7 V, V
O
= 0.3 V,
Switch OFF
45 75 nA
C
I(OFF)
Capacitance with USB
switch off
DP_HOST,
DM_HOST
DC bias = 0 V or 3.6 V, f = 10 MHz, Switch OFF
2 pF
C
O(OFF)
Capacitance with USB
switch off
DP_CON,
DM_CON
10 pF
C
I(ON)
Capacitance with USB
switch on
DP_HOST,
DM_HOST
DC bias = 0 V or 3.6 V, f = 10 MHz, Switch ON
11 pF
C
O(ON)
Capacitance with USB
switch on
DP_CON,
DM_CON
11 pF
BW Bandwidth R
L
= 50 Ω, Switch ON 1 GHz
O
ISO
Isolation with USB switch off f = 240 MHz, R
L
= 50 Ω, Switch OFF –26 dB
X
TALK
Crosstalk f = 240 MHz, R
L
= 50 Ω –30.5 dB
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