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參數資料
型號: TPS65910RSLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封裝: 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48
文件頁數: 60/86頁
文件大小: 534K
代理商: TPS65910RSLT
PRODUCTPREVIEW
www.ti.com
SWCS046A – MARCH 2010 – REVISED MAY 2010
7
6
5
4
3
2
1
0
Reserved
SEL
Bits
Field Name
Description
Type
Reset
7
Reserved
Reserved bit
RO
0
R returns
0s
6:0
SEL
Output voltage (EEPROM bits) selection with GAIN_SEL = 00 (G = 1,
RW
0x00
12.5 mV per LSB):
SEL[6:0] = 1001011 to 1111111 : 1.5V
...
SEL[6:0] = 0111111 : 1.35V
...
SEL[6:0] = 0110011 : 1.2V
...
SEL[6:0] = 0000001 to 0000011 : 0.6V
SEL[6:0] = 0000000 : Off (0.0V)
Note: from SEL[6:0] = 3 to 75 (dec)
Vout = (SEL[6:0] × 12.5 mV + 0.5625 mV) × G
Table 43. VDD2_REG
Address Offset
0x24
Physical Address
Instance
Description
VDD1 control register
Type
RW
7
6
5
4
3
2
1
0
VGAIN_SEL
ILMAX
TSTEP
ST
Bits
Field Name
Description
Type
Reset
7:6
VGAIN_SEL
Select output voltage multiplication factor: G (EEPROM bits):
RW
0x0
when 00: x1
when 01: TBD
when 10: x2
when 11: x3
5:4
ILMAX
Select maximum load current:
RW
0
when 0: 1.0 A
when 1: 2.0 A
3:2
TSTEP
Time step: when changing the output voltage, the new value is reached
RW
0x1
through successive 12.5 mV voltage steps (if not bypassed). The
equivalent programmable slew rate of the output voltage is then:
TSTEP[2:0] = 000: step duration is 0, step function is bypassed
TSTEP[2:0] = 001: 12.5 mV/s (sampling 3 Mhz)
TSTEP[2:0] = 010: 9.4 mV/s (sampling 3 Mhz × 3/4)
TSTEP[2:0] = 011: 7.5 mV/s (sampling 3 Mhz × 3/5) (default)
TSTEP[2:0] = 100: 6.25 mV/s(sampling 3 Mhz/2)
TSTEP[2:0] = 101: 4.7 mV/s(sampling 3 Mhz/3)
TSTEP[2:0] = 110: 3.12 mV/s(sampling 3 Mhz/4)
TSTEP[2:0] = 111: 2.5 mV/s(sampling 3 Mhz/5)
1:0
ST
Supply state (EEPROM bits):
RW
0x0
ST[1:0] = 00 : Off
ST[1:0] = 01 : On, high power mode
ST[1:0] = 10 : Off
ST[1:0] = 11 : On, low power mode
Copyright 2010, Texas Instruments Incorporated
63
Product Folder Link(s): TPS65910
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