BM81810MUF-M datasheet(49/78 Pages) ROHM | Automotive Panel Power Management IC

부품명	BM81810MUF-M

부품 상세설명	Automotive Panel Power Management IC

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제조업체	ROHM [Rohm]

홈페이지	http://www.rohm.com

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BM81810MUF-M

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49/75

TSZ02201-0A3A0AS00510-1-2

15.May.2020 Rev.001

TSZ22111

• 15 • 001

www.rohm.com

40

45

50

55

60

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75

80

85

90

0

50

100

150

200

250

Load [mA]

AVDD Efficiency

<00>

<01>

<10>

<11>

AVDD Block Function - continued

5.

OCP Detect Level (Register Address 0Bh [6])

SW pin Over Current Protection detection level can be set at 1.0A(Min) or 2.0A(Min).

6.

COMP Adjust (Register Address 0B [7])

Phase Margin can be adjusted.

0

’b: AV_COMP_SET1

1

’b: AV_COMP_SET2

7.

COIL Adjust (Register Address 0Bh [1:0])

You can adjust the settings to match the coil constant to be used.

00

’b:AV_COIL_SET1

01

’b:AV_COIL_SET2

10

’b:AV_COIL_SET3

11

’b:AV_COIL_SET4

Please set the setting of COIL Adjust by frequency setting (fs) and a coil to use.

fOSC[kHz]

Coil[μH]

Coil Adjust

0Bh[1:0]

Comp Adjust

0Bh[7]

525

4.7

00'b

0'b

525

10

11'b

0'b

1050

4.7

00'b

0'b

1050

10

11'b

0'b

2100

4.7

00'b

0'b

2100

10

11'b

0'b

*Please become more than 10

μF/25V product (GRT31CC81E106KE01) x3 with AVDD output capacitor at the time of the use

with a coil of 10μH.

In addition, COMP Adjust coordinates phase constant of the ERRAMP output and is effective to shift to the zero point 25% low

frequency side to produce by the ERRAMP output by making Comp Adjust 1'b and is effective in reducing ringing at the time of

the load response by the responsiveness adjustment with the actual machine.

Figure 80. AVDD Efficiency

(dependent on Slew Rate)

(VIN=3.3V, AVDD=10.5V, Freq=2.1MHz, L=4.7

μH, IAVDD=100mA)

<xx>:AVDD Slew Rate setting

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BM81810MUF-M 데이터시트(PDF) 49 Page - Rohm

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유사한 부품 번호 - BM81810MUF-M

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