参数资料
型号: TPS65930BZCH
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA139
封装: 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件页数: 99/115页
文件大小: 1232K
代理商: TPS65930BZCH
HFCLKIN
SLEEP1
SLEEP2
CLKEN
Clock
generator
CLKREQ
Mainstate-machine
Optionalrequest
configurablebysoftware
onlyforlegacysupport
HFCLKOUT
Slicer
Timer
CLKEN2
SLICER_OK
Slicerbypass
037-044
SWCS037G
– MAY 2008 – REVISED APRIL 2011
11.2 Input Clock Specifications
The clock system accepts two input clock sources:
32-kHz crystal oscillator clock or sinusoidal/squared clock
HFCLKIN high-frequency input clock
11.2.1 Clock Source Requirements
Table 11-1 lists the input clock requirements.
Table 11-1. TPS65920/TPS65930 Input Clock Source Requirements
Pad
Clock Frequency
Stability
Duty Cycle
Crystal
±30 ppm
40%/60%
32KXIN
32.768 kHz
Square wave
45%/55%
32KXOUT
Sine wave
Square wave
±150 PPM
See (1)
HFCLKIN
19.2, 26, 38.4 MHz
Sine wave
(1)
HFCLK duty cycle and frequency is not altered by the internal circuit. The input clock accuracy must
match that of the system requirement; for example, OMAP device.
11.2.2 HFCLKIN
HFCLKIN can be a square- or a sine-wave input clock. If a square-wave input clock is provided, it is
recommended to switch the block to bypass mode to avoid loading the clock.
Figure 11-2 shows the HFCLKIN clock distribution.
Figure 11-2. HFCLKIN Clock Distribution
When a device needs a clock signal other than 32.768 kHz, it makes a clock request and activates the
84
Clock Specifications
Copyright
2008–2011, Texas Instruments Incorporated
focus.ti.com: TPS65930/TPS65920
相关PDF资料
PDF描述
TPS65950ZXNR SPECIALTY CONSUMER CIRCUIT, PBGA209
TPS65950ZXNT SPECIALTY CONSUMER CIRCUIT, PBGA209
TPS6735Y 2 A SWITCHING REGULATOR, 160 kHz SWITCHING FREQ-MAX, UUC12
TPS6735IP 2 A SWITCHING REGULATOR, 160 kHz SWITCHING FREQ-MAX, PDIP8
TPS6755Y 2 A SWITCHING REGULATOR, 160 kHz SWITCHING FREQ-MAX, UUC8
相关代理商/技术参数
参数描述
TPS65930BZCH 制造商:Texas Instruments 功能描述:IC POWER MANAGEMENT ((NW))
TPS65930BZCHR 功能描述:开关变换器、稳压器与控制器 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
TPS65950A2ZXN 功能描述:PMIC 解决方案 Integ Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
TPS65950A2ZXNR 功能描述:PMIC 解决方案 Integ Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
TPS65950A3ZXN 功能描述:PMIC 解决方案 Integrated Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel