参数资料
型号: TPS659102A1RSLR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 1 MM HEIGHT, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48
文件页数: 61/93页
文件大小: 1014K
代理商: TPS659102A1RSLR
SWCS046I
– MARCH 2010 – REVISED JULY 2011
Table 44. VDD1_REG
Address Offset
0x21
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: x1
when 10: x2
when 11: x3
5:4
ILMAX
Select maximum load current:
RW
0
when 0: 1.0 A
when 1: 1.5 A
3:2
TSTEP
Time step: when changing the output voltage, the new value is reached
RW
0x3
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
Table 45. VDD1_OP_REG
Address Offset
0x22
Physical Address
Instance
Description
VDD1 voltage selection register.
This register can be accessed by both control and smartreflex I2C interfaces depending on
SR_CTL_I2C_SEL register bit value.
Type
RW
7
6
5
4
3
2
1
0
CMD
SEL
64
Copyright
2010–2011, Texas Instruments Incorporated
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