Datasheet > BD5LL20AEFV-C (开发中)

BD5LL20AEFV-C (开发中)

更新时间： 2023-09-03 20:33:28

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
48页	2165K
描述
BD5LL20AEFV-C is 5-channel SPI-input low side switch developed as engine control. It has built-in open load detection function, over current protection function, thermal shutdown function, and active clamp function. It also has a 5 V output LDO as a power supply for the microcontroller and a built-in K-LINE communication circuit, making it suitable for motorcycle engine control.

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BD5LL20AEFV-C

Absolute Maximum Ratings (Tj = 25 °C)

Parameter

Symbol

Rating

Unit

VX Power Supply Voltage

VS Power Supply Voltage

Output Voltage OUT1, OUT2, OUT3, OUT4, OUT5

Output Current OUT1, OUT2, OUT3

Output Current OUT4, OUT5

Output Voltage SO

V_X

V_S

-0.3 to +30

-0.3 to +10

-0.3 to +30 (Internal Limit)^{(Note 1)}

2.0 (Internal Limit)^{(Note 2)}

0.5 (Internal Limit)^{(Note 2)}

-0.3 to +7

V_OUT1-5

I_OUT123

I_OUT45

V_SO

Output Voltage RX

V_RX

-0.3 to +7

Input Voltage CSB,SI,SCLK

Input Voltage IN1,TX

V_CSB, V_SCLK, V_SI

V_IN1, V_TX

V_KIO

-0.3 to +7

Input Voltage KIO

-0.3 to +30

Maximum Junction Temperature

Storage Temperature Range

Tjmax

Tstg

150

°C

-55 to +150

Active Clamp Energy (Single Pulse) OUT1, OUT2,

OUT3, Tj_(START)= 25 °C, I_OUT1(START)= 1.0 A

Active Clamp Energy (Single Pulse) OUT1, OUT2,

OUT3, Tj_(START)= 150 °C, I_OUT1(START)= 1.0 A

Active Clamp Energy (Single Pulse) OUT4, OUT5

Tj_(START)= 25 °C, I_OUT2(START)= 0.5 A

Active Clamp Energy (Single Pulse) OUT4, OUT5

Tj_(START)= 150 °C, I_OUT2(START)= 0.5 A

(Note 1) Limited by the active clamp function.

(Note 2) Limited by the over current protection function.

E_{AS123(25 °C)}

E_{AS123(150 °C)}

E_{AS45(25 °C)}

E_{AS45(150 °C)}

300

250

Caution 1: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit

between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is

operated over the absolute maximum ratings.

Caution 2: Should by any chance the maximum junction temperature rating be exceeded the rise in temperature of the chip may result in deterioration of the

properties of the chip. In case of exceeding this absolute maximum rating, design a PCB with thermal resistance taken into consideration by

increasing board size and copper area so as not to exceed the maximum junction temperature rating.

Caution 3: When IC is turned off with an inductive load, reverse energy has to be dissipated in the IC. This energy can be calculated by the following equation:

푉_퐵퐴푇

퐸_퐿= ꢀ퐼_{푂푈푇(푆푇퐴푅푇)}^ꢁ× ꢂ1 −

ꢃ

푉_퐵퐴푇− 푉_{푂푈푇(퐶퐿)}

Where:

L is the inductance of the inductive load.

I_OUT(START)is the output current at the time of turning off.

V_OUT(CL)is the output clamp voltage.

The IC integrates the active clamp function to internally absorb the reverse energy E_Lwhich is generated when the inductive load is turned off.

When the active clamp operates, the thermal shutdown function does not work. Decide a load so that the reverse energy E_Lis active clamp

energy E_AS123(Figure 1.), E_AS45(Figure 2.) or under when inductive load is used.

10000

1000

100

10000

Tj = 25 °C

Tj = 150 °C

1000

100

0.0

0.5

1.0

1.5

2.0

2.5

0.3

0.4

0.5

0.6

0.7

0.8

Output Current(Start) :I_OUT(START)[A]

Figure 1. Active Clamp Energy (Single Pulse) vs

Output Current(Start)

Figure 2. Active Clamp Energy (Single Pulse) vs

Output Current(Start)

(OUT1, OUT2, OUT3)

(OUT4, OUT5)

www.rohm.com

TSZ22111 • 15 • 001

TSZ02201-0G5G1G400200-1-2

5/45

13.Jan.2023 Rev.001

1 2 3 456 7 8...48

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