BQ76PL455APFCT datasheet(9/125 Pages) TI1

9 / 125 page

bq76PL455A

www.ti.com

SLUSCL0A – SEPTEMBER 2016 – REVISED OCTOBER 2016

Product Folder Links: bq76PL455A

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(1)

Time measured from VP falling below threshold until the part enters SHUTDOWN, or from the part attempting to exit SHUTDOWN

(wakeup) until re-entering SHUTDOWN.

6.6 VP 5.3-V Supply Regulation Voltage

Characteristics stated using NPN transistor in circuit rated at BVCEO > 100V, β ≥ 100 at 5 mA, Base-Collector C ≤ 35 pF,

ICOLLECTOR > 100 mA, RCOLLECTOR = 400 Ω.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VPVR

Regulated Voltage

5.1

5.3

5.5

INPNB

External NPN base drive current

0.5

VPSD_DLY

VP/VDIG delay before SHUTDOWN(1)

160

(1)

Internal node only, no external access. This parameter is for internal measurement and verification purposes only.

6.7 VDD18 1.8-V Internal Digital Supply

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VDD18VO

VDD18 Output voltage(1)

As measured by internal ADC

1.7

1.8

1.9

(1)

VDIG internally connected to V5VAO in IDLE mode.

6.8 V5VAO Analog Supply

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

V5VAOSD

Output Voltage

Power state: SHUTDOWN,

VP = VDIG = VIO = 0 V

4.7

5.3

V5VAOIDLE

Output Voltage

Power state: IDLE(1), unloaded

VDIG – 0.5

VDIG

6.9 VM –5-V Integrated Charge Pump

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VMVM_ON

VM Output Voltage

–5.5

–5

–4.5

fCP

Charge pump switching frequency

375

kHz

VMTRIP

VM low-voltage monitor trip point

–3.8

VMVO

Measured value read back from ADC VM

monitor

–5.56

–5

–4.54

6.10 Analog-to-Digital Converter (ADC): Analog Front End

All ADC specifications stated are for the sampling intervals and register settings shown in Table 3. A 390-pF capacitor is on

pin OUT1.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUT1RANGE

Pin OUT1 Analog Front End / Level

Shifter output voltage range

ROUT_PIN

OUT1 pin internal series resistance

1.2

1.35

kΩ

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