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参数资料
| 型号： | PWL6030B1AACMR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA187 |
| 封装： | 7 X 7 MM, 0.40 MM PITCH, GREEN, FCBGA-187 |
| 文件页数： | 69/97页 |
| 文件大小： | 937K |
| 代理商： | PWL6030B1AACMR |
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SWCS045B
– SEPTEMBER 2010 – REVISED JUNE 2011
NOTE
The VBUS and ID wake-up comparators are a start event condition when the TWL6030 device is
in WAIT-ON state. If VBUS wake-up enable is fixed, ID wake-up enable is configurable and
disabled by default. Those comparators can also make the TWL6030 device leave SLEEP state
and enter ACTIVE state. An interrupt is always sent to the host processor, but only if the masks
are not applied.
In PRECHARGE state, the VBUS wake-up comparator, the VUSB regulator, the ID comparators,
and the 16-
A current source are enabled automatically by both OTG and PM state-machines.
The ACA identification is required by the charger FSM for the allowed current charges whether
an ACA is attached or not.
The OTG_REV bit unlocks the respective VBUS detection features and associated electrical
parameters specific to each OTG revision 1.3 and revision 2.0 (see the VBUS_ACT_COMP bit).
For all USB OTG registers, two informative additional rows (OTG 1.3/OTG 2.0) describe if the
bits have an application use for each OTG revision.
All TWL6030 OTG registers are unlocked and operate either with a read/write (R/W) access or
with a read/set/clear (R/S/C) process.
VBUS_ACT_COMP (USB_VBUS_CTRL_SET/USB_VBUS_CTRL_CLR) is the only R/W bit that
relies on the OTG_REV EPROM value. This bit enables the needed VBUS comparators,
reducing the power consumption of the OTG VBUS analog section. Therefore, all deactivated
comparators have their corresponding source and latch registers fixed at 0.
For some of the analog electrical parameters that are not backward-compatible between OTG
revision 1.3 and OTG revision 2.0 but also are not manageable through the OTG_REV
preselection bit, it is assumed throughout this section that the OTG revision 2.0 characteristic
limits supersede the OTG revision 1.3 electrical limits and, thus, OTG 2.0 is the reference.
OTG revision 1.3 devices have just emerged on the electronic market and should be
outnumbered shortly by OTG revision 2.0 devices.
In addition, the USB-IF consortium suggests a fast-forward transition to OTG revision 2.0 to
solve current incompatibilities and limitations between OTG revision 1.3 devices.
All electrical parametric deviations from OTG revision 1.3 are explicitly highlighted through this
section.
The full list of nonbackward-compatible electrical parameters is available on the USB-IF website
in the developer forum section.
ID Line
The USB Battery Charging Specification describes the operation of ACA detection. This refers to detection of
external RID_A, RID_B, and RID_C resistors on ID pin. ID ground
ID_GND) and ID float ID_FLOAT) are related to
the connections of the USB OTG standard plugs. Note that when any one of the RID_A, RID_B, or RID_C
resistances is presented at the ID pin, this implies that VBUS supply is provided by the ACA. Thus after wake up
from VBUS or ID plug detection (due to VBUS or ID wake-up comparators controlled by ID_WK_UP_COMP,
VBUS_WK_UP_COMP register bits), software can then enable the ID active comparators to correctly identify
which of the different RID values is present. In addition, an interrupt is generated if the resistance on the ID ball
changes.
During hardware-controlled charging, the TWL6030 device monitors if an ACA is connected and sets the
corresponding VBUS input current limit.
The following pullup and pulldown resistors and current sources can be connected to the ID line:
ID_PU_220K register bit enables an ID 220-k
Ω pullup to VUSB supply.
ID_PU_100K register bit enables an ID 100-k
Ω pullup to VUSB supply.
ID_GND_DRV register bit enables an ID 10-k
Ω pulldown.
ID_SRC_16U register bit enables an ID 16-
A current source on VUSB supply.
ID_SRC_5U register bit enables an ID 5-
A current source on VUSB supply.
ID_WK_UP_COMP enables an ID 9-
A current source (IID_WK_SRC) on VRTC supply.
Copyright
2010–2011, Texas Instruments Incorporated
71
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