參數(shù)資料
型號(hào)： L6717
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48
封裝： 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFPN-48
文件頁數(shù)： 25/56頁
文件大小： 1081K
代理商： L6717
L6717
Power manager I2C
Doc ID 17326 Rev 1
31/56
6.1.4
Droop function adjustment (DRP_ADJ)
This command allows to adjust the slope for the output voltage load line once the external
components are defined by modifying the kDRP and kDRPNB parameters defined in
See Table 12 and Table 16 for details about the codification of the command and the data
stream.
6.1.5
Power management flags
This command allows to set several flags to configure L6717 power management.
The flags allows to define:
– PSI_A. This flag defines phase shedding strategy adopted when CPU asserts PSI_L
by SVI bus. Set PSI_A = 0b (default) to program the device to work in single phase or
set PSI_A = 1b to program two phase mode.
The selected strategy applies also to DPM mode.
See Section 5.4.3 for details about PSI management and light-load efficiency
optimizations. See Section 6.2 for details about DPM.
– PSI_EN. This flag defines whether to enable or not the PSI_L management. Default is
to manage PSI_L flag assertion through SVI bus (PSI_EN = 1b).
– DPM_ON. This flag defines whether to enable or not the DPM mode. The strategy
adopted by DPM is defined through the PSI_A flag. See Section 6.2 for details about
DPM. DPM is disabled by default (DPM_ON = 0h).
– DPMTH. Allow to program up to 4 different strategies for DPM mode by properly
adjusting the VDPM threshold. See Section 6.2 for details about DPM.
See Table 12 and Table 17 for details about the codification of the command and the data
stream.
Table 15.
FSW_ADJ command - switching frequency adjustment codification
Data stream
[6:8]
Fsw adjustment
Data stream
[6:8]
Fsw adjustment
000
Reset to frequency
programmed by OSC
100
Reset to frequency
programmed by OSC
001
-10%
101
+10%
010
-20%
110
+20%
011
Ignored
111
Ignored
Table 16.
DRP_ADJ command - droop function adjustment codification
Data stream [5:6] and [7:8]
DRP adjustment kDRPNB[5:6] and kDRP[7:8]
00
1/4
01
1/2
10
Ignored
11
Droop disabled
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6717A 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717ATR 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller T/R 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Tape and Reel 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver
L6717TR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 High-Efficienc AM2r2 Hybrid Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6718TR 功能描述:其他電源管理 Multiphase Dual PWM VR12 25MHz LTB RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
L6720 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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