Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - battery management Charge indicator Li-Ion SOIC 16 N Surface-mount

bq2050H

Symbol Register Name

Loc.

(hex)

Read/

Write

Control Field

7(MSB) 6 5 4 3 2 1 0(LSB)

FLGS1

Primary status flags

01h R CHGS BRP PSTAT CI VDQ 1 EDV1 EDVF

TMP Temperature register 02h R TMP3 TMP2 TMP1 TMP0 GG3 GG2 GG1 GG0

NACH

Nominal available capac

ity high byte register

03h R/W NACH7 NACH6 NACH5 NACH4 NACH3 NACH2 NACH1 NACH0

NACL

Nominal available

capacity low byte register

17h R/W NACL7 NACL6 NACL5 NACL4 NACL3 NACL2 NACL1 NACL0

BATID

Battery identification

04h R/W BATID7 BATID6 BATID5 BATID4 BATID3 BATID2 BATID1 BATID0

LMD

Last measured

discharge register

05h R/W LMD7 LMD6 LMD5 LMD4 LMD3 LMD2 LMD1 LMD0

FLGS2

Secondary status flags

06h R RSVD DR2 DR1 DR0 ENINT VQ RSVD OVLD

PPD

Program pin pull-down

07h R RSVD RSVD RSVD PPD5 PPD4 PPD3 PPD2 PPD1

PPU

Program pin pull-up

08h R RSVD RSVD RSVD PPU5 PPU4 PPU3 PPU2 PPU1

CPI

Capacity

inaccurate count register

09h R/W CPI7 CPI6 CPI5 CPI4 CPI3 CPI2 CPI1 CPI0

VSB

Battery voltage

0bh R VSB7 VSB6 VSB5 VSB4 VSB3 VSB2 VSB1 VSB0

VTS

End-of-discharge thresh-

old select register

0ch R/W VTS7 VTS6 VTS5 VTS4 VTS3 VTS2 VTS1 VTS0

CACT

Temperature and Dis-

charge Rate compensated

available capacity

0dh R/W CACT7 CACT6 CACT5 CACT4 CACT3 CACT2 CACT1 CACT0

CACD

Discharge Rate com

pensated available

capacity

0eh R/W CACD7 CACD6 CACD5 CACD4 CACD3 CACD2 CACD1 CACD0

SAEH

Scaled available energy

high byte register

0fh R SAEH7 SAEH6 SAEH5 SAEH4 SAEH3 SAEH2 SAEH1 SAEH0

SAEL

Scaled available energy

low byte register

10h R SAEL7 SAEL6 SAEL5 SAEL4 SAEL3 SAEL2 SAEL1 SAEL0

RCAC Relative CAC 11h R - RCAC6 RCAC5 RCAC4 RCAC3 RCAC2 RCAC1 RCAC0

VSRH Current scale high 12h R VSRH7 VSRH6 VSRH5 VSRH4 VSRH3 VSRH2 VSRH1 VSRH0

VSRL Current scale low 13h R VSRL7 VSRL6 VSRL5 VSRL4 VSRL3 VSRL2 VSRL1 VSRL0

NMCV Maximum cell voltage 15h R/W NMCV7 NMCV6 NMCV5 NMCV4 NMCV3 NMCV2 NMCV1 NMCV0

DCR Discharge register 18h R/W DCR7 DCR6 DCR5 DCR4 DCR3 DCR2 DCR1 DCR0

PPFC Program pin data 1eh R/W RSVD RSVD RSVD RSVD RSVD RSVD RSVD RSVD

INTSS V

Interrupt 38h R RSVD RSVD RSVD RSVD DCHGI RSVD RSVD CHGI

RST Reset register 39h R/W RST 0 0 0 0 0 0 0

HEXFF Check register 3fh R/W 1 1 1 1 1 1 1 1

Notes: RSVD = reserved.

All other registers not documented are reserved.

Table 8. bq2050H Command and Status Registers