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L9958

更新时间： 2024-02-18 06:03:38
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
38页 463K
描述
Low RDSON SPI controlled H-Bridge

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L9958 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：SSOP包装说明：,
针数：24Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：30 weeks风险等级：1.58
接口集成电路类型：FB BASED PERIPHERAL DRIVER WITH PWMJESD-30 代码：R-PDSO-G24
JESD-609代码：e3湿度敏感等级：3
端子数量：24输出电流流向：SOURCE AND SINK
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified表面贴装：YES
端子面层：Tin (Sn)端子形式：GULL WING
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

L9958 数据手册

 浏览型号L9958的Datasheet PDF文件第2页浏览型号L9958的Datasheet PDF文件第3页浏览型号L9958的Datasheet PDF文件第4页浏览型号L9958的Datasheet PDF文件第5页浏览型号L9958的Datasheet PDF文件第6页浏览型号L9958的Datasheet PDF文件第7页 
L9958  
Low RDSON SPI controlled H-Bridge  
Datasheet  
−
production data  
Features  
■
Programmable current regulation peak  
threshold by SPI up to 8.6 A typ.  
*$3*36ꢀꢀꢀꢁꢂ  
*$3*36ꢀꢀꢃꢁꢄ  
*$3*36ꢀꢀꢃꢁꢅ  
■
■
■
Operating battery supply voltage 4.0 V to 28 V  
Operating Vdd supply voltage 4.5 V to 5.5 V  
PowerSO-20 PowerSSO24  
PowerSO16  
All pins withstand 19 V, Vs and output pins  
withstand 40 V  
Detailed failure diagnostics on each channel is  
provided via SPI: short circuit to battery, short  
circuit to ground, short circuit overload, over  
temperature.  
■
Full path Ron from 100 mΩ (at Tj = -40 °C) to  
300 mΩ (at Tj =150 °C)  
Logic inputs TTL/CMOS-compatible  
■
■
■
Open-load can be detected in ON condition, for  
the widest application ranges. Current regulation  
threshold can be set by SPI from 2.5 A to 8.6 A  
(Typ.), in 4 steps. Guaranteed accuracy is ±10 %  
on all temp range, using an external reference  
resistor with 1% accuracy over all temp range.  
Operating frequency up to 20 kHz  
16-bit SPI interface for  
configuration/diagnostics, daisy chain  
capability  
■
■
■
■
■
■
■
■
■
Over temperature and short circuit protection  
VS undervoltage disable function  
Vdd undervoltage and overvoltage protection  
Vdd overvoltage detection  
Current limitation threshold is linearly reduced by  
temperature over 165 °C.and a thermal warning  
bit is set by SPI. The H-Bridge contains integrated  
free-wheel diodes. In case of free-wheeling  
condition, the low side transistor is switched on in  
parallel of its diode to reduce power dissipation.  
Open-load detection in ON condition  
Full diagnostics in OFF state  
Enable and disable input  
A multiple wire bonding technique, as well as ST  
proprietary package design is making L9958  
compatible with three power packages, for  
maximum flexibility:  
Low stand by current (<10 µA)  
Voltage and current slew-rate control for low  
EMI, programmable through SPI  
■
Available in three power packages  
PowerSO-20 package (medium power, JEDEC  
standard MO166);  
Description  
PowerSO16 package (medium power, lower  
cost);  
The L9958 is an SPI controlled H-Bridge,  
designed for the control of DC and stepper motors  
in safety critical applications and under extreme  
environmental conditions.  
PowerSSO24 package (low power, very low cost  
JEDEC standard MO271A).  
The H-Bridge is protected against over  
temperature, short circuits and has an  
undervoltage lockout for all the supply voltages Vs  
and Vdd, and for overvoltage on Vdd. All  
malfunctions cause the output stages to go  
tristate.  
Table 1.  
Device summary  
Order code  
Package  
Packing  
L9958  
PowerSO-20  
PowerSO16  
PowerSSO24  
Tube  
Tube  
Tube  
L9958SB  
L9958XP  
September 2013  
Doc ID 17269 Rev 5  
1/38  
This is information on a product in full production.  
www.st.com  
1
 
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