L9960 datasheet(56/95 Pages) STMICROELECTRONICS

номер детали	L9960

подробное описание детали	Automotive Single/Dual H-Bridge, SPI programmable DC Brushed Motor Driver

PDF	95 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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56 / 95 page

Functional description

L9960, L9960T

56/95

DS11115 Rev 10

This bit can be reset by (SPI request, DIS or RESET) only if the settings conditions are not

present anymore (Tj < OTwarn). This feature is mainly used to reduce the power dissipation

and thus the junction temperature.

Note:

(-) available in the R4 bit position in SPI answer frame 8b.

Note:

(-) available in the R5 bit position in SPI answer frame 8a.

4.7.2

Over-temperature monitoring electrical characteristics

Table 68. OTWARN

Bit config

Description

Comment

if Tj < OTwarn

Default value

if Tj > OTwarn

Table 69. OTWARN_REG

Bit status

Description

Comment

Latched if Tj < OTwarn

Default value

Latched if Tj > OTwarn

Table 70. Over-temperature monitoring electrical characteristics

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

OTwarn

Over-temperature warning

OTwarn_thr_var set to 000

(default value)

150

170

°C

OTwarn_thr_var set to 001

145

165

°C

OTwarn_thr_var set to 100

155

175

°C

OTwarn_thr_var set to 101

160

180

°C

OTwarn_thr_var set to 110

165

185

°C

OTwarn_thr_var set to 111

170

190

°C

OTsd

Over-temperature shut-down

threshold

OTsd_thr_var set to 000

(default value)

170

200

°C

OTsd_thr_var set to 001

165

195

°C

OTsd_thr_var set to 010

160

190

°C

OTsd_thr_var set to 011

155

185

°C

OTsd_thr_var set to 100

175

205

°C

OTsd_thr_var set to 101

180

210

°C

OTsd_thr_var set to 110

185

215

°C

OTsd_thr_var set to 111

190

222

°C

OThyst

Over-temperature hysteresis

Applicable for OTwarn and

OTsd

0-5

°C

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