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LP87322E/F Datasheet(PDF) 40 Page - Texas Instruments

Part # LP87322E/F
Description  Dual High-Current Buck Converter and Dual Linear Regulator
PDF  75 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP87322E/F Datasheet(HTML) 40 Page - Texas Instruments

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LP87322B-Q1, LP87322D-Q1, LP87322E-Q1, LP87322F-Q1
SNVSAC5 – SEPTEMBER 2017
www.ti.com
Product Folder Links: LP87322B-Q1 LP87322D-Q1 LP87322E-Q1 LP87322F-Q1
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Copyright © 2017, Texas Instruments Incorporated
8.6.1.1 DEV_REV
Address: 0x00
D7
D6
D5
D4
D3
D2
D1
D0
DEVICE_ID[1:0]
Reserved
Bits
Field
Type
Default
Description
7:6
DEVICE_ID[1:0]
R
0x1*
Device specific ID code.
5:0
Reserved
R
00 0010
8.6.1.2 OTP_REV
Address: 0x01
D7
D6
D5
D4
D3
D2
D1
D0
OTP_ID[7:0]
Bits
Field
Type
Default
Description
7:0
OTP_ID[7:0]
R
0x2B,
0x2D,
0x2E,
0x2F*
Identification Code of the OTP EPROM Version.
8.6.1.3 BUCK0_CTRL_1
Address: 0x02
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
BUCK0_FPWM
BUCK0_RDIS_
EN
BUCK0_EN_PI
N_CTRL
BUCK0_EN
Bits
Field
Type
Default
Description
7:4
Reserved
R/W
0000
3
BUCK0_FPWM
R/W
0 *
Buck0 mode selection:
0 - Automatic transitions between PFM and PWM modes (AUTO mode)
1 - Forced to PWM operation.
2
BUCK0_RDIS_EN
R/W
1
Enable output discharge resistor (RDIS_Bx) when Buck0 is disabled:
0 - Discharge resistor disabled
1 - Discharge resistor enabled.
1
BUCK0_EN_PIN
_CTRL
R/W
1 *
Enable control for Buck0:
0 - only BUCK0_EN bit controls Buck0
1 - BUCK0_EN bit AND EN pin control Buck0.
0
BUCK0_EN
R/W
1 *
Enable Buck0 regulator:
0 - Buck0 regulator is disabled
1 - Buck0 regulator is enabled.
8.6.1.4 BUCK0_CTRL_2
Address: 0x03
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
BUCK0_ILIM[2:0]
BUCK0_SLEW_RATE[2:0]



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